Shell electron
[医] 壳层电子
🧩 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;
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
Hi, Susan.
嗨， Susan。
Two is company, but three is none.
两人成为伴，三人不结侣。
We need three times as much as we originally ordered.
原来的三倍。