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
Pleased to meet you.
很高兴与你见面。
Dying is as natural as living.
死亡与生存一样自然。
They picked lots of bananas, and took them back to the boat.
他们搞了很多香蕉，并带回船上。