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
I'd like you to meet the head of the student relations committee.
我想见见学生关系委员会主席。
Virtue is a jewel of great price.
美德是无价之宝。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.