Such laws could protect the consumer from harmful or dangerous remedies.這樣的法規可以保護消費者免受有害或者危險藥品的威脅。Polyunsaturated oils are essential for health. Excess is harmful, however.多不飽和油對健康很重要。但是，食用過量就會有害。Whatever is hidden is ha...
Effluent from the sedimentation tank is dosed with disinfectant to kill any harmful organisms...沉降池中的廢水中加入了消毒劑，以消滅所有有害微生物。In the past itinerant merchants sold harmful products.過去,流動的商人出售有毒的產品.Mycosporine - like amino aci...