Word · Frequency #2369
lifespan
寿命；生命长度
核心释义
The length of time that a living thing lives.
- 1.
生物体的寿命。
The length of time for which an organism lives.
- 2.
某物存在或有效的时间长度。
The length of time for which something exists or is current, valid, or usable.
使用期限；有效期；存在时间；生物体的寿命。；某物存在或有效的时间长度。；预期生命期限；寿命；预期使用期限
用法In use
The average human lifespan has increased significantly over the past century.
用法提示：此处lifespan为名词，表示人类的寿命期限。
These batteries have a lifespan of about 500 charge cycles.
用法提示：此处lifespan为名词，表示产品的使用寿命。
The lifespan of a houseplant depends on how well it is cared for.
用法提示：此处lifespan为名词，表示植物的生命周期。
the lifespan of [noun]
表示某事物的预期寿命。
The lifespan of a butterfly is often short.
蝴蝶的寿命通常很短。
have a lifespan of [number] [unit]
用于具体说明寿命时长。
相关词与表达Connections
搭配Collocations
- long lifespan
- 长寿命
- Some species of turtles have a very long lifespan.有些种类的乌龟寿命很长。
- short lifespan
- 短寿命
- The mayfly has an extremely short lifespan of only one day.蜉蝣的寿命极短，只有一天。
- average lifespan
- 平均寿命
- The average lifespan of a domestic cat is around 15 years.家猫的平均寿命约为15年。
- human lifespan
- 人类寿命
- Advances in medicine have significantly increased the human lifespan.医学进步显著延长了人类寿命。
- product lifespan
学习提示Learner notes
记忆技巧Memory Tip
life + span：生命跨度，想象一条线从出生到死亡的长度。
语境与语域Context & Register
中性至正式语体。常用于描述生物生命周期或物品预期使用期限，在科技、日常等语境中均适用。
语法说明Grammar Note
可数名词，后常接of短语表示‘...的寿命’。
发音与拼写Pronunciation & Spelling
All listed words share the final vowel and consonant sound /æn/ with the second syllable of 'lifespan' (/ˈlaɪf.spæn/). The initial consonants differ.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.