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
Uh, why does he always have to slam the door?
唉 为什么他老是砰一声地关上门
Water dropping day by day wears the hardest rock away.
水滴天天滴不停，石头最坚也磨损。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。