Commutators
(commutator 的复数) n. 换向器, 整流器\\n[化] 对易式; 整流器
🗣️ 情景例句
Just imagine--Marilyn and Richard must be thrilled!
想像得出 Marilyn和Richard一定乐坏了！
Everything new is fine.
新事物总是美好的。
We've got to do something about the neighbor's dog!
我们得对邻居的狗采取点行动了！