🧩 词语组成解析
shell
[ʃel]
n. （贝、卵、坚果等的）壳;外壳;炮弹;（人的）表面性格;
vt. 去壳，脱落;炮击;
vi. 剥皮;炮轰;
🗣️ 情景例句
It's certainly a good idea.
这的确是个好主意。
I ran all the way to school, otherwise I'd have been late.
我一路跑到学校，不然就迟到了。
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。