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
What school did you go to?
你上哪所学校？
No joy without annoy.
喜中有忧。
but ever since he moved in, he has had trouble with cars and their owners.
但自从搬进去后，就和汽车及车主们发生了磨擦。