单词	air billow
释义	air billow noun : a wave at the interface of two horizontal layers of air caused by their difference in velocity Word History First Known Use 1893, in the meaning defined above
随便看	chakra chakram chakras chakravartin chal chal pra chalaco chalahs chalan Chalara Chalaropsis Chalastogastra chalaza chalazae chalazal chalazas chalazia chalaziferous chalazions chalazogamy chalazoidite chalc- chalcanthite chalcanthites chalcedon

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