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
A whole day's work.
一整天的成果呀。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.