Back cover
后壳，后罩
🧩 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
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
All this time Dick has only thought of his own future.
近些时来，迪克老是在思考自己的将来。
What about wrestling and sailing?
摔跤和帆船怎么样？