gratuitouslyadv.

græ'tju:itəsli

中文adv. 无偿地；不必要地；无缘无故地；平白地

词根词源

gratuitously (adv.)1690s, "without cause or reason," from gratuitous + -ly (2). From 1716 as "without cost to the recipient."

关键词

gratuitously