Phegma
回流液, 冷凝液, 回流量
🗣️ 情景例句
What was it about?
刚才谈什么？
I'll call you back.
我回电话给你。
He led me into his room and hurriedly hid a large parcel under his desk.
他把我领进屋，慌忙把一个大包藏到了桌子下面。