英语词汇up-and-down是什么意思，up-and-down的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	up-and-down
释义	up-and-down　 ['ʌpәn'daun]adj.上上下下的, 起伏的, 来来往往的, 变动的
随便看	first-level message member first-level statement first-level storage first-line first-line first-line first-line management first-mentioned defendant first-minute first-mover first-mover first-name first-name first-name first-naming first-night first-nighter first-nighter first-order first-order asymmetric transformation first-order dependence first-order derivative first-order difference equation first-order differential equation first-order directional focusing mass spectrometer

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