Bidirectional flow
[计] 双向流
🧩 词语组成解析
[计] 双向的
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
I enjoyed lunch, Susan.
这顿午餐真好， Susan。
Which one is more convenient?
哪一个是比较方便的？
Every day he leaves his home and walks to the lift.
每天他离家后就步行去乘电梯。