Aptt
abbr. 部分凝血活酶时间（activated partial thromboplastin time）
🗣️ 情景例句
Did you hear the news?
你听说那条新闻了吗？
Is there any discount for the USA Railpass?
火车通行证有折扣吗？
What's the matter with your foot, Jane?
珍妮，你的脚怎么了？