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
How did you get on in your exam?
你考得怎样？
He's the same as always.
他还是老样子。
Here it is, Mom! That's one thing I haven't forgotten today!
“在这里，妈妈！这是我今天没有忘记的一件事。”