clot

1. N-COUNT A clot is a sticky lump that forms when blood dries up or becomes thick. (血液的) 凝塊

He needed emergency surgery to remove a blood clot from his brain. 他需要緊急動手術(shù)以清除大腦中的一個血栓。

2. V-I When blood clots, it becomes thick and forms a lump. (血液) 凝結(jié)成塊

The patient's blood refused to clot. 病人的血液無法凝結(jié)。