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
and the company in Los Angeles
而在Los Angeles
Any kind of backing out of the contract will be charged a penalty as has been stated in the penalty clause.
任何背弃合同的行为将受到惩罚，这已在处罚条款里写得很清楚了。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。