lifespan
gb/lˈaɪfspˌæn/ us/lˈaɪfspˌæn/
B1
英语
~ 2400
义项
0 个义项
名词
B1
quantity
1
Length of time something lives or works
The time from when something starts to when it ends or stops working.
用法模式：
the lifespan of [something]
常见错误：
Learners sometimes confuse 'lifespan' with 'lifestyle'. 'Lifespan' is about time lived; 'lifestyle' is about how someone lives.
近义词
lifetime (Often used for people or animals; can also mean the experience of living, not just duration.)
|
duration (A more general term for how long something lasts; not limited to living things.)
反义词
moment (Refers to a very short period of time, opposite in length to a lifespan.)
|
instant (An extremely brief period, contrasting with the long span implied by lifespan.)
搭配
average lifespan
|human lifespan
|lifespan of a battery
|extend lifespan
|shorten lifespan
主题
science
|daily life
|technology
|core_vocabulary
|time
例句
- The average human lifespan has increased over the last century.
- Regular maintenance can extend the lifespan of your car.
- Scientists are studying ways to increase the lifespan of electronic devices.
- A butterfly's lifespan is only a few weeks.
- The lifespan of the project was just two years.
学习者例句
- The lifespan of a dog is about ten years.
- My phone has a short lifespan.
- The lifespan of a bee is not long.
- We want to make the machine have a long lifespan.
- The average human lifespan is about 80 years.
语法
词典原形
lifespan
IPA
GB/lˈaɪfspˌæn/
US/lˈaɪfspˌæn/
音节与重音
lifespan （1 个音节）
Stress on 1st syllable (lifespan)
词形变化
Noun
- Base: lifespan
- Plural: lifespans
词族
相关表达
average lifespan
1/ˈævɚɪd͡ʒ lˈaɪfspˌæn/
fixed phrase
Typical length of life or use
The normal time that something lives or works for most cases.
例句
- The average lifespan of a cat is around 15 years.
- Experts calculate the average lifespan of the batteries.
extend the lifespan
1/ɪkstˈɛnd ðə lˈaɪfspˌæn/
fixed phrase
Make something last longer
To make something live or work for more time.
例句
- Good care can extend the lifespan of your laptop.
- Doctors hope new treatments will extend the lifespan of patients.
shorten the lifespan
1/ʃˈɔɹtən ðə lˈaɪfspˌæn/
fixed phrase
Make something last less time
To make something live or work for less time.
例句
- Poor diet can shorten the human lifespan.
- Using cheap parts may shorten the lifespan of the device.