early 15c., from Latin expendere "pay out, weigh out money," from ex- "out" (see ex-) + pendere "to pay, weigh" (see pendant). Related: Expended; expending.
例文
1. Don 't expend all your time on such a useless job.
このような無駄な仕事に時間を費やさないでください。
2.Children expend a lot of energy and may need more high-energy food than adults.
子供たちは多くのエネルギーを消費し、大人よりも高エネルギーの食べ物を必要とする可能性がある。
3.If you give up exercise,your muscles shrink and fat increases.By the same token,if you expend more energy you will lose fat.