淤血
近义词与同义词
按词义分组列出，使用时请结合具体语境。
the escape of blood from ruptured blood vessels into the surrounding tissue to form a purple or black-and-blue spot on the skin
the shedding of blood resulting in murder; "he avenged the bloodshed of his kinsmen"
基本解释
因静脉血液回流受阻所引起的一种循环障碍。分全身性和局部性两种。淤血部位表面开始呈暗红色，以后逐渐变为青紫色。在口唇黏膜部位的淤血，又称紫绀”。