Commutator compound
[化] 换向器(或整流器)润滑剂(由石蜡和蜂蜡制成)
🧩 词语组成解析
commutator
[['kɔmjuteitə]]
n. 换向器, 整流器\\n[化] 对易式; 整流器
🗣️ 情景例句
Maybe we should do it again.
也许我们该再来一次。
How much is the interest a year?
每年利息多少？
That's fair.
那样公平。