Shell theory
[计] 壳体理论
🧩 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
Have you been to our Tourist Information Center?
你去过我们的旅客服务中心吗？
It was a real pleasure for me to do it.
我很乐意这样做。
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。