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
It seems I owe you an apology.
好像我该向你道个歉。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
Let me know when you are ready to order again.
那么需要再订货时，请与我联系。