Metathrombin
变性凝血酶, 无活力凝血酶
🗣️ 情景例句
I appreciate it.
我很感激。
It's two o'clock.
两点钟。
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。