“plain tract”的概念、定义、翻译、参考文献-科学参考

单词	plain tract
释义	plain tract [`plān ¦trakt] ^GEOLOGY The lower part of a stream, characterized by a low gradient and a wide floodplain.
随便看	on-carriage fire control equipment on center once-through boiler Onchidiidae onchocerciasis onchogryposis Oncholaimoidea oncholysis onchomycosis onchosphere oncocyte oncocytoma oncogene oncogenesis oncogenic virus oncolite oncology oncolytic oncomouse on composition on-condition maintenance Oncopoda oncotic pressure oncotomy onde de choc

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