Backwashing
(backwash 的现在分词) n. (划桨引起的)反流, 激流区, 反响\\n[机] 逆吹
🗣️ 情景例句
Good afternoon, Mrs. Green. I'd like you to meet my girlfriend, Sally.
格林太太，下午好。我想让你认识一下我的女朋友萨里。
How can I get in touch with you?
我要怎样联络你呢？
Ouch!
哎哟！