英语词汇“a tough nut to crack”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	a tough nut to crack
释义	a tough nut to crack [ə tʌf nʌt tu: kræk] freq. 22 dict. 4 spoken 14 n.难题 [网络]棘手的事情；难啃的骨头；难以对付的人
随便看	manganese(ii) selenide manganese(ii) selenite manganese(ii) silicate manganese(ii) silicide manganese(ii) succinate manganese(ii) sulfate manganese (II)sulfate manganese(ii) sulfide manganese(ii) sulfite manganese(ii) sulfocyanide manganese(ii) tartrate manganese(ii) tetraborate manganese(ii) tetrametaphosphate manganese(ii) tetrathionate manganese(ii) thiocyanate manganese(ii) trimetaphosphate manganese(ii) valerate Manganese-Induced Nervous System Diseases manganese in hair manganese in urine manganese iodide manganese ion manganese iron manganeseiron manganese-iron

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