blackhead

名词 blackhead:

1. a black-tipped plug clogging a pore of the skin
   同义词：comedo

black.head

n.（名词）
Medicine A plug of keratin and sebum within a hair follicle that is blackened at the surface.Also called comedo
【医学】 黑头粉刺：在带毛小囊内由角朊和脂肪组成的粉刺，表面呈黑色也作 comedo
An infectious disease of turkeys and some wildfowl that is caused by a protozoan(Histomonas meleagridis) and results in lesions of the intestine and liver. Also called enterohepatitis ,histomoniasis ,infectious enterohepatitis
黑头病：火鸡和一些野禽的一种传染病，由一种原生动物（黑头病组织原虫） 引起，并会导致肠及肝的损害 也作 enterohepatitis,histomoniasis,infectious enterohepatitis
Any of various birds, such as the scaup, with dark head markings.
黑头鸟：一种以头部呈黑色为特征的鸟，如斑背潜鸭