英语词汇“river system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	river system
释义	river systemˈriver ˌsystem noun [countable] earth science, geography a large river, including all the streams and smaller rivers that flow into it
随便看	gradability gradable gradation grade grade crossing graded grade point average -grader grade school gradient grading grad school gradual gradualism gradually graduate graduated graduated cylinder graduated income tax graduate school graduation graffiti graft Graham, Billy graham cracker

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