Aptt
abbr. 部分凝血活酶时间（activated partial thromboplastin time）
🗣️ 情景例句
Usually a house is too expensive for the salary-earning class to buy.
通常房屋太贵，工薪阶层买不起。
Wow, it's itchy!
哗，好坏！
Let's get together for lunch.
让我们一起吃顿午餐吧。