n. 背,背部;背面,反面;后面,后部;(椅子等的)靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
while you're at work.
在你工作的时候。
How's your niece?
你的侄儿好吗?
Audiences in the second decade of the twentieth century found it pleasant to escape to a time when life, though hard, was relatively simple.We still do;