n. 影响;效果;印象;所有物;
vt. 使发生;引起;产生(效果);
💡 ef出+fect做,制作→做出来→实施;生效;效果
"the cumulative effect of human activity on the world environment"
人类活动对世界生态环境日积月累的影响
近义:implement, make, materialize, occasion, officiate, operate
反义:motive, occasioner, origin, point, reason, root