They have no way to dispose of the hazardous waste they produce.他们无法处理掉自己制造出来的有害废物。

engineers working in hazardous conditions在危险条件下作业的工程师

Lead is especially hazardous to unborn babies.铅对未出生的婴儿尤为有害。

Passive smoking can be hazardous to health.被动吸烟会对健康有害。