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
What beautiful timing.
时间正合适。
This man always has clean floors and wet feet.
这个男人常常弄湿了脚刷洗地板。
I have some difficulty in pronouncing some of the words in English.
我有些英语单词发音不好。