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 I promise you I won't forget.
我向你保证， 我不会忘的。
He can't decide what to do.
他不能决定做什么。
However, as the evidence began to accumulate, experts from the Zoo felt obliged to investigate,
可是，随着证据越来越多，动物园的专家们感到有必要进行一番调查，