Anticoagulation
n. 抗凝作用
🗣️ 情景例句
Where there's smoke, there's fire.
事出必有因，无风不起浪。
We used to have a lot of interesting friends.
我们过去常有很多有趣的朋友。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。