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
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
This is the book that I promised to lend you.
这就是我答应借给你的那本书。
'I suggest,' said the inspector, 'that you are not telling the truth.
“我提醒您，”探长说，“您讲的不是实话。