Thrombocytin
血小板素, 血清素, 5-羟色胺
🗣️ 情景例句
Hello, darling.
哈喽， 亲爱的。
Who is it? Come down.
是谁？下来。
I'll give you a call when we are ready to talk about them.
等我们准备好可以谈的时候，我会打电话给你。