lifespan

life·span /ˈlaɪfspæn/ noun [countableC]

LIFEthe average length of time that someone will live or that something will continue to work 〔人的〕平均寿命；〔物的〕使用寿命 → lifetime

Men have a shorter lifespan than women.

男性的平均寿命比女性短。

a lifespan of 5 days/10 years etc

A TV set has an average lifespan of 11 years.

电视机的平均使用寿命为11年。

Examples from the Corpus

lifespan• Not an acceptable lifespan in my opinion.• As with any living or replica plant material, there is an average lifespan for plants.• We must return to the fundamental question: is the extension of the human lifespan actually desirable?• In other words, governments, which formally at least set the political agenda, have relatively limited lifespans.• The natural lifespan of a pig is 10-12 years.• Now, he is hopeful that the child will have a normal lifespan.• Authorities estimate that smoking trims between 12 and 15 years off a person's lifespan.• Saltwater fish have a shorter lifespan in the aquarium.• Safety is a basic human requirement for survival, development, health and self-fulfilment at every stage of the lifespan.• In general their lifespan is shortened due to mouth rot.• Capital costs are expressed as annual equivalents assuming a seven year lifespan for the equipment and a 5% discount rate.

From Longman Business Dictionary

lifespanlife·span /ˈlaɪfspæn/ noun [countableC]

the period of time during which something will continue to be useful

The new water distribution system could save hundreds of millions of pounds over its 150-yearlifespan.

Chinese

Syllable

Corpus