draw····求解释Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries.这句里的drawn 是draw的过去分词?为什么不是过去式drew?解析下这句

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draw····求解释Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries.这句里的drawn 是draw的过去分词?为什么不是过去式drew?解析下这句
draw····求解释
Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries.这句里的drawn 是draw的过去分词?为什么不是过去式drew?解析下这句话好不好呢··
另外 Connection drawn between two separate marketing programs or entities.为什么这句话drawn前没有be动词?因为不是被动

draw····求解释Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries.这句里的drawn 是draw的过去分词?为什么不是过去式drew?解析下这句
这句话的意思是 对比在二十世纪电视的发展及十五十六世纪印刷的扩散之间形成.
drawn是draw的过去分词,因为这里是被动语态.
另外那句话的drawn不是被动式,而是过去分词后置修饰名词connection,意思是在两个不同的营销方案和主题间形成的联系