Backward flow problem
[计] 逆向流问题
🧩 词语组成解析
flow
[fləu]
vi. 流;垂;流出;（谈话、文体等）流畅;
n. 流动;滔滔不绝;涨潮;连贯;
vt. 使泛滥;淹没;排出;
🗣️ 情景例句
Isn't this the Nanjing University?
请问是南京大学吗？
The fox that had lost its tail would persuade others out of theirs.
一条狐狸丢尾巴，就劝旁的也丢它。
Thank you.I'll certainly be more careful.
谢谢您。我以后一定会多加注意。