Aptt
abbr. 部分凝血活酶时间（activated partial thromboplastin time）
🗣️ 情景例句
You can take a seat now.
现在你找个座位坐下吧。
I'm brushing my teeth in the bathroom.
我在浴室刷牙。
I can see why you are having some problems with it.
我明白为什么你用起来会有问题了。