| 单词 | harmful | 
| 释义 | harmfulharmful /ˈhɑrmfəl/ ●●○ adjective  causing harm, or likely to cause harm:  The harmful effects of smoking are well known. Wash the fruit to remove harmful bacteria.harmful to Some pesticides are harmful to the environment.—harmfully adverb—harmfulness noun [uncountable]THESAURUSpoisonous – containing a substance that can kill you or make you sick if you eat it, breathe it, etc.:  She was bitten by a poisonous snake and had to go to the hospital.toxic – poisonous. Used especially about chemicals:  Burning tires produces toxic fumes.damaging – causing physical damage or harmful effects:  The researchers are studying the damaging effects of alcohol on the brain.detrimental formal – harmful or damaging to something:  Fatty foods are detrimental to your health.destructive – causing something to be destroyed:  A large population of deer can be very destructive to woodlands.deleterious formal – damaging or harmful:  The treatment is supposed to reverse some of the deleterious effects of aging.  | 
	
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