Commutators
(commutator 的复数) n. 换向器, 整流器\\n[化] 对易式; 整流器
🗣️ 情景例句
About one month. I'm just sightseeing.
大约一个月。我只是观光旅游。
He guessed the train would come in early.
他猜想火车会很早到达。
We can't process your damage claim.
我们无法办理你的索赔。