Old English clott "a round mass, lump," akin to Dutch kloot "ball," Danish klods "a block, lump," German Klotz "lump, block;" probably related to cleat and clod.
clot (v.)
early 15c., from clot (n.). Of fluids from 1590s. Related: Clotted; clotting.
实用例句
1. 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。
来自柯林斯例句
2. a blood clot on the brain
大脑中的血块
来自《权威词典》
3. They removed a clot from his brain.
他们从他的大脑里取出了血块。
来自《权威词典》
4. A year ago he had a blood clot removed from his brain.
