voluminous
adj. （衣服）宽松的；浩繁的，长篇的，冗长的；（容器、家具等）容量大的；（作家）多产的
例句
The FBI kept a voluminous file on Pablo Picasso.
联邦调查局保存了有关巴勃罗·毕加索的大量档案。
《柯林斯英汉双解大词典》
It was only when they shifted their attention from how companies behave to how they think that they began to make sense of their voluminous material.
只有把注意力从公司行为转移到自己怎样想，他们才能开始理解大量的材料。
I sank down into a voluminous armchair.
我一下子坐在了宽大的扶手椅里。
《牛津词典》
