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lifespan; life; lifetime
life (of a battery, lightbulb, etc.); service life; end of an object's (useful) life
日本人の平均寿命は世界でも長いですね。
The average lifespan of Japanese is long.
電池の寿命が切れたので交換した。
The battery life ran out, so I replaced it.
日本人の平均寿命は年々延びている。
The average lifespan of Japanese people is increasing year by year.