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
Help yourself, please.
请随便。
This nation is noted for its political stability.
这个国家以政治稳定闻名。
She didn't visit her step-mother much, though I believe that they used to speak on the phone from time to time.
她不常看望她的继母，虽然，我相信她们过去时不进在电话里聊一聊。