词典释义：
the mass or magnitude of something large
（巨大的）容积，体积；（大）量
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the sheer bulk of the bags .这些袋子的巨大容量。
[count noun]a large mass or shape, for example of a building or a heavy body
大块，大的外形（如建筑物或大块状的实体）
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he moved quickly in spite of his bulk .尽管块头很大，但他移动的速度还是很快。
[as modifier]large in quantity or amount
大数量
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bulk orders of over 100 copies .超过１００册的大宗订单。
(
大部分，一大半
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the bulk of the traffic had passed .车流的大部分都已经过去了。
roughage in food
（食物中的）纤维质
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bread and potatoes supply energy, essential protein, and bulk .面包和土豆提供能量、必要的蛋白质和纤维质。
cargo in an unpackaged mass such as grain, oil, or milk
散装货物。
【印刷】 （纸或书的）厚度。
[no obj.]be or seem to be of great size or importance
显得很大（或很重要）
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territorial questions bulked large in diplomatic relations .领土问题在外交关系方面显得很重要。
[with obj.]treat (a product) so that its quantity appears greater than it in fact is
使（产品）数量显得很大
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traders were bulking up their flour with chalk .商人们在面粉里搀白垩以加重分量。
[no obj.](
（尤指在为体育比赛做准备的训练中）增强肌肉。
(常作
结合（待售的股票或商品）。
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in bulk 1 （of goods） in large quantities and generally at a reduced price （商品）量大而折价销售的retail multiples buy in bulk ． 零售连锁店均进行大宗采购 -
2 （of a cargo or commodity） loose； not packaged （货物商品）松散的，散装的sugar is imported in bulk and bagged on the island ． 进口的糖是散装的，上了岛以后才用袋子进行了包装
"Middle English： the senses ‘cargo as a whole' and ‘heap, large quantity' （the earliest recorded） are probably from Old Norse
