英语词汇“preparatory signal”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	preparatory signal
释义	preparatory signal 英?[pr??p?r??t?:ri: ?siɡn?l] 美?[pr??p?r??t?ri ?s?ɡn?l] 释义预备信号行业词典体育预备信号???
随便看	Will a duck swim willaert willaerts willage willagenin willages willaim Willam willa-mae willamar Willamette Willamette R. Willamette River willamette rivers willamettes Willamette University Willamette Valley Willamina willams Willamson sign willan Willand will and grace Willan disease will and testament

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preparatory signal