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
The scary part's leaving home and moving to college.
害怕的是要离开家搬到学校去。
He that lies down (sleeps) with dogs must rise up with fleas.
与恶人交终会变恶；近朱者赤，近墨者黑。
and in this I do not think that I stand alone.
我也相信，出洋相者并非我一人。