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
taking a vacation together--with the family.
要一起渡个假， 全家一起。
Little boats must keep the shores.
小船不能航行远。
What are you doing?
你在干什么？