period
gb/pˈɪɹiəd/ us/pˈɪɹiəd/
A1
英语
~ 400
义项
0 个义项
名词
A2
quantity
1
A specific length of time
A set amount of time with a start and finish.
用法模式：
a period of [time]
常见错误：
Learners sometimes confuse 'period' with 'point' in time; 'period' is a span, not a single moment.
近义词
duration (More formal; focuses on how long something lasts)
反义词
moment (Refers to a very short or brief time)
搭配
short period
|long period
|period of time
|grace period
|trial period
主题
time
|daily life
|core_vocabulary
例句
- The project must be completed within a six-month period.
- There was a brief period of silence before she spoke.
- This law will be in effect for a trial period of one year.
学习者例句
- We stayed in London for a short period.
- The class is over after a forty-minute period.
- He will be away for a long period.
名词
A1
entity
2
Punctuation mark at sentence end
A dot (.) used to show the end of a sentence.
常见错误：
Some learners use commas instead of periods at the end of sentences.
近义词
full stop (British English term for the same punctuation mark)
反义词
comma (Another punctuation mark that separates parts of sentences, not ends them)
搭配
full stop period
|end with a period
|put a period
主题
writing
|language
|communication
|education
例句
- Every sentence should end with a period.
- He forgot to put a period after the abbreviation.
- In American English, we call it a period.
学习者例句
- Write your name and end the sentence with a period.
- That is the end. Put a period there.
- Do not forget the period.
名词
B1
event
3
Monthly menstrual bleeding
The monthly bleeding that happens to women and girls.
常见错误：
Learners may confuse 'period' meaning menstruation with 'period' meaning time span; context is important.
近义词
menstruation (More formal or medical term)
搭配
have your period
|get your period
|miss a period
主题
health
|daily life
|body
例句
- She usually gets her period at the start of the month.
- I missed my period and decided to take a pregnancy test.
- During her period, she often feels tired.
学习者例句
- She has her period this week.
- I get my period every month.
- She missed her period last month.
名词
A2
quantity
4
One class session in school
A set time in school for one class or lesson.
近义词
lesson (Often used in British English; refers to the teaching session itself)
搭配
first period
|math period
|free period
主题
education
|time
例句
- We have math during the first period today.
- Her favorite class is in the last period.
- I have a free period after lunch.
学习者例句
- We have English in the first period.
- The next period is science.
- I like the art period.
名词
B1
entity
5
Stage in history or development
A time in history or life with special events or features.
近义词
era (Often larger or more significant span of history)
搭配
Victorian period
|medieval period
|transitional period
主题
history
|time
|education
例句
- The Victorian period was marked by rapid industrial growth.
- It was a difficult period in his life.
- The Renaissance was an important cultural period.
学习者例句
- The Roman period was long ago.
- She had a happy period in her life.
- This was a bad period for the country.
语法
词典原形
period
IPA
GB/pˈɪɹiəd/
US/pˈɪɹiəd/
音节与重音
peri - od （2 个音节）
Stress on 1st syllable (peri)
词形变化
Noun
- Base: period
- Plural: periods
词族
Forms
periods
noun
Core family
periodic
adjective B2
periodically
adverb B2
Related words
periodical
noun C1
相关表达
end of story, period
1/ˈɛnd əv stˈɔɹi | pˈɪɹiəd/
fixed phrase
informal
No more discussion allowed
Used to say that nothing more will be said or changed about something.
例句
- You are not going to that party, end of story, period.
- I’m not lending you any more money—end of story, period.
full stop (period)
1/fˈʊl stˈɑp pˈɪɹiəd/
fixed phrase
Sentence-ending punctuation mark name difference
British people say 'full stop' and Americans say 'period' for the dot at the end of a sentence.
例句
- In British English, you would say 'full stop' instead of 'period'.
- He ended the sentence with a full stop, or as Americans say, a period.