Commutations
(commutation 的复数) n. 交换, 变换, 代替\\n[电] 整流
🗣️ 情景例句
and I have to go to the hospital.
我得赶去医院。
The milk in the refrigerator has begun to turn sour.
冰箱里的牛奶开始腐败了。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。