Commutating
v. 使方向转换, 整流( commutate的现在分词 )
🗣️ 情景例句
Ping-Pong tables, soda machines, and lots of music.
乒乓球， 汽水贩卖机， 热闹的音乐。
Would you please hold the door open for me?
可以请你为我把门拉着吗？
There is a picture on the wall.
墙上有一张画。