英语词汇“正旦 2”的读音、翻译、释义、用法及例句-啃外文网

词汇	正旦 2
释义	正旦正旦[zhèng dàn]1.■a young or middle-aged female character type (dressed in black) in Chinese operas另见 zhēng dàn。
随便看	hydrogen bromide hydrogen burning hydrogen-carbonate hydrogen-cascade process hydrogen-catalyst adsorption hydrogenchloride hydrogen complex hydrogen-cooled generator hydrogen cooler hydrogen corrosion hydrogen cracking hydrogen cutting hydrogen cyanide laser hydrogen damage hydrogen deficient fuel hydrogen-deuterium exchange hydrogen (discharge) lamp hydrogen donator hydrogen donor hydrogen embrittlement hydro-generator hydrogen firing hydrogen flame temperature detector hydrogen fluoride extraction hydrogen fluoride recovery plant

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