1
lifespan;life;lifetime
これらの発見のおかげで人間の寿命が以前の２倍になった。
Thanks to these discoveries, man's life span has become twice as long as before.
2
life (of a battery, lightbulb, etc.);service life;end of an object's (useful) life
作動温度が高いと、潤滑剤の寿命は短くなる。
High operating temperatures shorten lubricant life.
1
Jumyou