poison ivy

noun
🔊/ˌpɔɪzn ˈaɪvi/
🔊/ˌpɔɪzn ˈaɪvi/
[uncountable]
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  1. a North American climbing plant that causes painful spots on the skin when you touch it毒常春藤,气根毒藤(原产于北美,接触后会引起皮炎)
    Oxford Collocations DictionaryPoison ivy is used before these nouns:
    • rash
    See full entry