VOA慢速英语:Longer Battery Life Among Apple iOS9 Updates

1. release vt.释放; 发布; 发行
例句：He had won his first release from the fences of home.
他第一次成功地脱出家庭的樊笼。

2. establish vt.建立，创建
例句：They can now establish outright dictatorship.
他们现在可以建立起彻头彻尾的独裁制度了。

3. gather vt.收集; 采集; 聚集
例句：All the members of the family gather to enjoy a reunion dinner.
全家人聚在一起吃团圆饭。

4. remind vt.提醒; 使想起
例句：Do I have to remind you yet again?
还需要我再次提醒你吗?

5. obsolete adj.废弃的; 老式的
例句：A leading-edge product today could be obsolete next week.
今天的尖端产品过一个星期可能就过时了。

6. upgrade vt.提升; 使（机器、计算机系统等）升级; 提高（设施、服务等的）档次
例句：Because of mistake in the booking, he is upgrade to first class.
由于订票时出了差错，他被安排到头等舱就座。