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Lifespan
Useful life
The batteries had a life span of six hours.
It has a service life of 120 years, 20 years longer than most bridges.

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Open the tool →使用寿命 (shǐ yòng shòu mìng) means “Service life, Lifespan, Useful life”.
使用寿命 is pronounced shǐ yòng shòu mìng in Mandarin Chinese.
“Service life” is 使用寿命 (shǐ yòng shòu mìng) in Chinese.
This page has 2 example sentences using 使用寿命, each with pinyin and an English translation.