英语词汇天上乌云密布是什么意思，天上乌云密布的用法、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	天上乌云密布
释义	DEFINITIVE EXAMPLES 权威例句〔promise〕There were dark clouds overhead promising rain.天上乌云密布，预示就要下雨。牛津高阶〔rain〕Black clouds threatened rain.天上乌云密布，要下雨了。牛津搭配
随便看	neutron multiplication factor neutron number neutron output neutron population neutron producer neutron propagation neutron radiation neutron radiation weapon neutron radiative capture neutron radiography neutron rays neutron reaction neutron reflection neutron reflector neutron resonance spectroscopy neutron roentgen neutron scattering neutron scintillator neutron selffission measurement neutron sensor neutron shield paint neutron source neutron spectrograph neutron spectrometer neutron spectroscopy

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