Phegma
回流液, 冷凝液, 回流量
🗣️ 情景例句
I'll be off to bed myself in a minute.
我再过一会也要上床睡觉了。
I had a glass of water.
我喝了一杯水。
Mr. Smith knew Jack didn't look at the others because he was nervous.
史密斯先生知道杰克不敢看别人是因为紧张。