| 释义 |
black·head AHD[blăkʹhĕd'] D.J.[ˈblækˌhed]K.K.[ˈblækˌhɛd]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
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