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
I'm calling for your assistance.
我打电话是要您帮助我。
You'll fall, if you don't take care.
你不专心的话，就会跌倒。
Considering the amount she paid, he was dear in more ways than one!
想到她所花的那笔钱，她的心疼就具有双重意义了。