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guano

noun
🔊/ˈɡwɑːnəʊ/
🔊/ˈɡwɑːnəʊ/
[uncountable]
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  1. the waste substance passed from the bodies of birds that live near the sea, used to make plants and crops grow well海鸟粪（用作肥料）
    Word Originearly 17th cent.: from Spanish, or from Latin American Spanish huano, from Quechua huanu ‘dung’.