Commutations
(commutation 的復數) n. 交換, 變換, 代替\\n[電] 整流
??? 情景例句
I didn't mean to do that.
我并不想要那么做。
The lion's skin is never cheap.
獅皮從不賤。
Oh, sorry! Here's a full one.
對不起。這里有一瓶滿的。