vt.& vi.凝结,拥塞
n.凝块,(人,动物等的)聚集
They removed a clot from his brain.
他们从他的大脑里取出了血块。
He needed emergency surgery to remove a blood clot from his brain.
他需要进行紧急手术以清除脑部的一处血块。
a blood clot on the brain
大脑中的血块