单词	molecular mass
释义	molecular mass noun : the mass of a molecule that is equal to the sum of the masses of all the atoms contained in the molecule Word History First Known Use 1873, in the meaning defined above
随便看	tortious tortious conveyance tortiously tortive tortle tortoise tortoise beetle tortoise plant tortoise scale tortoise-core tortoises tortoiseshell tortoiseshell butterfly tortoiseshell cat tortoiseshell tiger tortoiseshell turtle tortoiseshells Tortola tortoni tortonis tortrices tortricid Tortricidae tortricidaes tortricids

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