名词
中文翻译：大量
同义词：
['mass', 'quantity', 'plurality']
例句：
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1. The bulk of the work was completed last week.
上周完成了大部分工作。
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2. The company has a large inventory of goods in stock.
该公司有大量的库存商品。
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3. The bulk of the population is under 30 years old.
大多数人口年龄在30岁以下。