expend

单词联想expend spend splurge

Growth, reproduction, and daily metabolism all require an organism to expend energy.

来源于拉丁语动词pendere(支付;称重)在拉丁语中派生的expendere(支付) 和在古法语中派生的despendre(分配)。词根词缀： s(ex-)出,向外 + -pend-支付