adj. 上面的,高架的;头顶上的;(费用等)经常的,管理的;
n. 天花板;管理费用,经常费用;船舱的顶板;[体](网球等的)扣杀;
adv. 在头顶上;在空中;在楼上;向上;
over在上、在外、从上、越过 + head头 → 在头顶上的;架空的
🗣️ 情景例句
We accepted their challenge to a baseball game.
我们接受了他们棒球邀请赛的挑战。
A thing is bigger for being shared.
插手人一多,事态就扩大。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.