英语词汇“unknown quantity”的读音、翻译、释义、用法及例句-开邑网

词汇	unknown quantity
释义	unknown quantityunknown quantity1.■难以预测的人〔事〕To her the outside world was a totally unknown quantity.对她来说, 外部世界完全是个未知数。
随便看	hydrogen activation hydrogen adsorption hydrogen and ascorbate dilution determination hydrogen annealing hydrogenant agent hydrogen arc lamp hydrogen-armature winding hydrogen arsenide hydrogenase hydrogenate hydrogenated alkylated tar hydrogenated amorphous carbon hydrogenated aviation fuel hydrogenated castor oil hydrogenated coal taroil hydrogenated fat hydrogenated fatty acid hydrogenated fish oil hydrogenated fuel hydrogenated gasoline hydrogenated lard hydrogenated motor spirit hydrogenated naphtha hydrogenated naphthalene hydrogenatedoil

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