Throughflow
n. (液体、气体等的)通流,直流
🗣️ 情景例句
Hello, Miss Huang. How are you?
喂，黄小姐，你好吗？
Where are you going?
你去哪儿？
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。