Electron-shells
(electron-shell 的复数) [物] 电子壳层；[物] 电子壳；[物] 电子层
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
n. 贝壳（shell的复数）
🗣️ 情景例句
In my personal opinion, I am against the plan.
依我个人的意见，我反对那个计划。
Keeping is harder than winning.
创业不易，守业更难。
The question became one of whether Man could control the disease he had invented.
现在的问题是，人类能否控制住这种人为的疾病。