英语词汇“have an ace up one's sleeve”的读音、翻译、释义、用法及例句-集火网

词汇	have an ace up one's sleeve
释义	have an ace up one's sleeve 握着王牌, 有应急的妙计
随便看	particle collector particle counting particle density particle electrophoresis particle eletrophoresis particle energy particle fluence particle-induced x-ray emission particle method particle number density particle orientation particle production particle radiation particle scattering factor particle-scattering factor particle scattering function particle separator particle shape particle size particle size analysis particle size determination particle size distribution particle swarm particle-thickness technique particle trajectory

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