How many boys and girls are there in your class? 你班有多少男生和女生? A large quantity of water is stored in the reservoir. 水库存了大量的水. Don't strive merely for quantity of production. 在生产中不要单纯地追求数量. She was burdened with a large quantity of parcels. 她吃力地捧着一大堆包裹. The factory had accidentally released a quantity of toxic waste into the sea. 这家工厂意外泄漏大量有毒废物到海中. More @Wikipedia
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