Electroneutrqlity principle
[机] 电中性原理
🧩 词语组成解析
🗣️ 情景例句
and a good night's sleep.
睡一个好觉。
Happiness consists in contentment.
知足常乐。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。