Phegma
回流液, 冷凝液, 回流量
🗣️ 情景例句
He says I never turn them out when I leave.
他说我离开时从不关灯。
You should wear a something warm, It's chilly today.
你应该穿暖和一些的衣服，因为今天很凉。
What are you doing? he asked. I'm cutting this tree up, answered the woodcutter.
“你在做什么？”他问。“我在把这棵树砍断，”伐木工人回答道。