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
My wife, Marilyn Stewart, is a member of your program.
我太太Marily Stewart是你的学生。
At what time?
什么时间？
They play it like this, six students stand in a row in front of the class.
6个学生在全班前面站成一排。