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
Please hold on a moment.
请等会儿。
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
Greetings, learned judge! I do not envy you your job. This is a most troublesome case.
您好，博学的法官！我并不羡慕您的职业。这是一个最麻烦的案子。