Commutating
v. 使方向转换, 整流( commutate的现在分词 )
🗣️ 情景例句
It's easy to pick something for my colleagues, but it's difficult for my boss.
给同事们的应该不难买，但是给老板的就难罗。
It's time for class.
上课时间到了。
Thank you very much.
非常感谢。