Prothromboplastin
促凝血酶原激酶原
🗣️ 情景例句
I like to snack between meals
正餐间我爱吃点零食。
Does the shop open at 9 am on weekdays?
这家店平日是早上9点开门吗？
Both men had just begun to swim towards the shore, when they noticed with dismay that the speedboat was moving in a circle.
两个人刚开始向岸边游去，就突然惊愕地发现快艇正在转着圈行驶，