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
Can I leave him a voice in mail?
我可以在他的语音信箱里留话吗？
Opportunity makes the thief.
疏忽招盗贼。
What's in the box? Ann thought. Was it some clothes?
“盒子里是啥呢？”安心想，会是衣服吗？