Electron shell
电子壳层
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
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
What's the exchange rate today?
今天的兑换比率是多少？
I'm sorry, but I can't find the book you lent me.
很抱歉！我找不到你借给我的那本书了。
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。