preposition [位置和方向]在……之上;向,朝;关于;在……时候;由……支撑;(身上)带着;一……就;吃,喝;接近;根据;挣……钱;以……支付;以……为燃料;在……中;作为……成员;借助(仪器或器械);与……相比
- We were on a hill, right on the edge of town.
adverb [方式副词]在上面;向前地;继续着,行动中;穿着;(娱乐演出等)上演;(电器)开着地;当班
- I'm forever on a diet, since I put on weight easily.
adjective [原级]开着的;发生着的,正在进行中;之后;覆盖;附着(尤指在正确的位置上);写着的;正在播出的
- The old men blather on and on.