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
We're going to play charades.
我们来玩哑谜。
I don't think you'll have any difficulty in pushing sales.
我认为你推销时不会有任何困难。
'I'm very sorry,' he said.
“实在抱歉，”他说，