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poisonous

adjective
 
🔊/ˈpɔɪzənəs/
🔊/ˈpɔɪzənəs/
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  1.  
     causing death or illness if swallowed or taken into the body 引起中毒的；有毒的synonym toxic
    • poisonous chemicals/fumes/plants有毒化学品/烟雾/植物
    • a poisonous substance有毒物质
    • This gas is highly poisonous.这种气体有剧毒。🔊🔊
    • poisonous to somebody/something The leaves of certain trees are poisonous to cattle.某些树的叶子会毒害牛。🔊🔊
    Topics The environmentb1
    Oxford Collocations Dictionaryverbs
    • be
    • become
    adverb
    • deadly
    • extremely
    • highly
    • …
    preposition
    • to
    See full entry
  2.  
     (of animals and insects动物和昆虫) producing a poison that can cause death or illness if the animal or insect bites you分泌毒素的；能毒伤人的 synonym venomous
    • poisonous snakes毒蛇
    • a tiny spider with a poisonous bite咬有毒的小蜘蛛
    Oxford Collocations Dictionaryverbs
    • be
    • become
    adverb
    • deadly
    • extremely
    • highly
    • …
    preposition
    • to
    See full entry
  3. extremely unpleasant or unfriendly 极端讨厌（或不友善）的；恶毒的；邪恶的
    • a poisonous person有毒的人
    • the poisonous atmosphere in the office办公室里的恶劣气氛