英语

dropout

gb/dɹˈɑpˌaʊt/ us/dɹˈɑpˌaʊt/
B2 英语
义项
0 个义项
名词 B2 role
1

person who leaves education early

someone who stops studying before finishing

用法模式: [a dropout] (from [school/college/a course])
常见错误:
Don’t confuse the noun dropout (a person) with the verb phrase drop out (to leave).
近义词
early school leaver (More specific to leaving school early; common in UK/policy contexts.) | non-completer (More formal and used in education administration.)
反义词
graduate (Someone who finishes a course and earns a degree or certificate.) | completer (Someone who finishes a course or program (often in official reporting).)
搭配
high school dropout |college dropout |a dropout from school |a dropout from college |dropout student |dropout problem |dropout figures |dropout services |dropout support |former dropout
主题
education |school |work
例句
  • He left at sixteen and was labeled a school dropout.
  • The program helps dropouts earn a high school equivalency diploma.
  • She’s a college dropout who later started her own business.
学习者例句
  • My cousin is a high school dropout.
  • The course is for dropouts who want to return to study.
名词 C1 abstract
2

leaving a program before finishing

when people stop before finishing

用法模式: dropout (in/among [a group/program])
常见错误:
In this sense, dropout is often uncountable (e.g., 'dropout is rising') and is not the same as dropout rate (a percentage).
近义词
attrition (More formal; used in education, business, and research to mean gradual loss of participants.) | withdrawal (Emphasizes a decision to leave rather than a general trend.)
反义词
retention (Keeping people enrolled or involved.) | completion (Finishing a course or program.)
搭配
student dropout |dropout levels |dropout problem |dropout among first-years |dropout in online courses |dropout during the first semester |reduce dropout |high dropout |dropout from the program |dropout trends
主题
education |society |statistics
例句
  • Dropout is highest in the first month of the course.
  • The school introduced mentoring to reduce dropout.
  • Online programs often struggle with dropout over time.
学习者例句
  • The goal is to reduce dropout.
  • Dropout is a problem in many schools.
名词 formal C1 role
3

participant who leaves a study

a person who stops taking part in a study

用法模式: [a dropout] (from [a study/trial])
近义词
withdrawn participant (More explicit; common in research writing.)
反义词
completer (A participant who finishes the study or trial.)
搭配
study dropout |trial dropout |participant dropout |dropout from the study |dropout from the trial |follow-up with dropouts |dropout reasons |dropout bias |dropout analysis |dropout in the control group
主题
health |science |research
例句
  • The researchers contacted each dropout to ask why they left the study.
  • Dropouts were more common in the first two weeks of the trial.
  • The results may be skewed if dropouts differ from those who completed the program.
学习者例句
  • There were several dropouts from the study.
名词 B2 role
4

contestant who withdraws

someone who stops competing

用法模式: [a dropout] (from [a race/competition/election])
近义词
withdrawal (Often used for the act; can also refer to the person in context.) | withdrawn candidate (More specific to elections.)
反义词
finisher (Someone who completes a race or event.)
搭配
race dropout |late dropout |a dropout from the race |a dropout from the election |unexpected dropout |injury-related dropout |list of dropouts |one of the dropouts |dropout announcement |dropout due to illness
主题
sports |politics |news
例句
  • The marathon had several dropouts because of the heat.
  • After a weak showing, he became the first dropout from the primary race.
  • Two early dropouts changed the competition’s dynamics.
学习者例句
  • She was a dropout from the race because of an injury.
名词 technical C1 event
5

brief loss of signal

a short time when the signal stops

用法模式: [a] dropout (in [audio/video/the connection])
近义词
interruption (Broader; can be any kind of break, not only signal-related.) | cutout (Informal; often refers to sound briefly cutting out.)
反义词
continuous signal (No interruptions or gaps.)
搭配
audio dropout |video dropout |signal dropout |connection dropout |Bluetooth dropout |Wi-Fi dropout |brief dropout |random dropouts |dropouts in the sound |dropouts during the call
主题
technology |media |communication
例句
  • We heard a few dropouts in the audio during the livestream.
  • The headset causes occasional dropouts when I turn my head.
  • A brief network dropout froze the video for a second.
学习者例句
  • There was a dropout in the sound.
名词 technical C1 event
6

missing recorded information

a small missing part in a recording

用法模式: [a] dropout (on [tape/film/a recording])
近义词
glitch (General term for a small fault; not specifically missing recorded data.)
反义词
clean playback (Playback without defects or missing sections.)
搭配
tape dropout |dropout on the tape |dropout on the recording |dropouts on old cassettes |visible dropout |dropout artifacts |repair dropouts |dropout damage |dropout in the soundtrack |dropout in the image
主题
technology |media
例句
  • The archivist noted several dropouts on the original tape.
  • Old VHS copies often have dropouts that appear as flashes of noise.
  • After restoration, most of the dropouts were no longer noticeable.
学习者例句
  • The old tape has dropouts.
名词 informal C1 role
7

person rejecting mainstream life

someone who quits a normal way of life

用法模式: [a] dropout
常见错误:
This use can sound judgmental; in many contexts it’s better to describe the person more specifically.
近义词
misfit (Focuses on not fitting in, not necessarily leaving school or work.) | drifter (Emphasizes a lack of stability or direction.)
反义词
go-getter (Someone seen as ambitious and energetic.)
搭配
a social dropout |a counterculture dropout |a total dropout |a burnout and dropout |seen as a dropout |treated like a dropout |call someone a dropout |label someone a dropout |dropout lifestyle |dropout generation
主题
society |identity |work
例句
  • His parents worried he’d become a dropout with no plans.
  • The film portrays her as a dropout who refuses the corporate life.
  • He hated being dismissed as a dropout just because he changed direction.
学习者例句
  • They called him a dropout.
名词 technical C2 process
8

neural network regularization method

a training method that randomly turns off parts of a model

用法模式: dropout (in [a neural network/model])
近义词
regularization (Broader category; dropout is one specific method.)
反义词
overfitting (A common problem that dropout is used to reduce.)
搭配
apply dropout |dropout layer |dropout rate |dropout probability |use dropout |enable dropout |disable dropout |dropout during training |Monte Carlo dropout |dropout regularization
主题
technology |computing |data_science
例句
  • Adding dropout improved validation accuracy on the small dataset.
  • The model uses a dropout layer between the two dense layers.
  • With dropout turned on, training takes slightly longer but generalizes better.
语法
词典原形
dropout
IPA
GB/dɹˈɑpˌaʊt/
US/dɹˈɑpˌaʊt/
音节与重音
dro - pout (2 个音节)
Stress on 1st syllable (dro)
词形变化
Noun
  • Base: dropout
  • Plural: dropouts
词族
Forms
dropouts noun
Core family
drop verb A2
Related words
droplet noun dropper noun
相关表达

drop out (of something)

1
/dɹˈɑp ˈaʊt əv sˈʌmθɪŋ/
phrasal verb

leave before finishing

to stop before you finish

例句
  • She dropped out of college after the first year.
  • He dropped out of the training program because he found a job.
  • If you drop out now, you can reapply next semester.

dropout prevention

1
/dɹˈɑpˌaʊt pɹivˈɛnʃən/
fixed phrase

efforts to reduce dropouts

helping students stay and finish

例句
  • The district invested in dropout prevention programs for at-risk students.
  • Mentoring and tutoring are common dropout prevention strategies.
  • Dropout prevention starts with identifying problems early.

dropout rate

1
/dɹˈɑpˌaʊt ɹˈeɪt/
fixed phrase

percentage who leave early

the percent who stop before finishing

例句
  • The school’s dropout rate has fallen over the past five years.
  • Online courses often have a high dropout rate.
  • Researchers adjusted their analysis to account for the dropout rate.

dropout regularization

1
/dɹˈɑpˌaʊt ɹˈɛɡjəlɚɪzˈeɪʃən/
fixed phrase technical

regularization using dropout

using dropout to help a model generalize

例句
  • Dropout regularization reduced overfitting on the training set.
  • The paper compares dropout regularization with weight decay.
  • They tuned dropout regularization to balance accuracy and stability.

dropout risk

1
/dɹˈɑpˌaʊt ɹˈɪsk/
fixed phrase

chance of leaving early

the chance that someone will quit early

例句
  • Students who work full time may have a higher dropout risk.
  • The team built a model to predict dropout risk in the first semester.
  • Regular check-ins helped lower dropout risk for new participants.

signal dropout

1
/sˈɪɡnəl dɹˈɑpˌaʊt/
fixed phrase technical

brief loss of signal

a short time when the signal stops

例句
  • We experienced signal dropout during the video call.
  • Signal dropout is common in underground stations.
  • The technician traced the signal dropout to a loose cable.

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