Communtator reftifier
[建] 换向整流器
🧩 词语组成解析
[建] 换向器, 整流器, 整流子
🗣️ 情景例句
We once found a cat.
我们有一次找到一只猫，
What do you mean by that?
你这话是什么意思？
The truth is that when mistakes occur, they are more likely to be ours than theirs.
事实上，差错很可能是我们自己，而不是铁路当局的。