Metathrombin
变性凝血酶, 无活力凝血酶
🗣️ 情景例句
Why does the boss have such a large, comfortable chair?
为什么老板有张那么舒服宽大的椅子？
There are no birds of this year in last year's nests.
事过境迁。
Here, try this one.
喏，试试这一顶。