Comprise
1. The United States comprise, comprizes fifty states.
美国是由五十个州组成的。
2. Typical wireless communication system RF circuits comprise a large number of linear and non-linear components.
典型的无线通信系统RF电路由大量的线性和非线性元器件组成。
Extent
1. To a great extent you are right.
你在很大程度上是对的。
2. This will relieve pressure on the trains to some extent.
这将会在一定程度上减轻对火车的压力.
