Backward flow
[机] 逆流, 对流, 反流
🧩 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
Fine.
好啊。
Nice to meet you.
见到你很高兴。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。