adj.有害的；惡性的
This event had a pernicious influence on society. 這件事情對社會造成了有害的影響。
Pollution of the water supply reached a level pernicious to the health of the population. 水源污染已經(jīng)達(dá)到危及居民健康的程度。
Lack of intrinsic factor can result in pernicious anemia. 缺乏內(nèi)源因素可導(dǎo)致惡性貧血。
