Commutations
(commutation 的复数) n. 交换, 变换, 代替\\n[电] 整流
🗣️ 情景例句
He needs to work.
他需要工作。
Turn left at the second light and then go straight for two blocks.
到第2排红绿灯处往左拐，然后一直往前走，过两个街区。
Look at your clothes! Where have you been?
瞧你们的衣服！你们去哪儿了？