Commutators
(commutator 的复数) n. 换向器, 整流器\\n[化] 对易式; 整流器
🗣️ 情景例句
I've been working like a madman all day.
我今天一整天都像个疯子一样工作。
Has he studied French very long?
他学习法语很长时间吗？
But I must ask my parents first. What time shall I come?
不过我必须先问问父母。我几点钟来呢？