A back number
过期的刊物, 过时的人
🧩 词语组成解析
back
[bæk]
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
then I've got to do some thinking about
那么我就必须考虑考虑
Hi, Lucy. I'll take French and Economics.
你好，露西，我想选法语和经济。
Aeroplanes have the reputation of being dangerous and even hardened travellers are intimidated by them.
飞机以危险而著称，连老资格的旅行者也怕飞机。