词汇“难关”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	难关
释义	难关难关[nán guān]1.■difficulty; crisis; barrier; tight squeeze:渡过难关tide over a difficulty [crisis];攻克技术难关break down a technical barrier; resolve key technical problems
随便看	ram press ramp slope ramp type ram-pump ramp valley ram ratio ramrod Ramsay ramsayite Ramsay Sound series Ramsden Ramsden circle Ramsden disc Ramsden's eyepiece ramshackle ramshackleness ram shaft ram side ramskin ramson ram speed ram speed range selector ramstam ram steam ram sth. into sb.'s head

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