1. The agenda was long, covering the world economy, climate change and non-proliferation of nuclear weapons. 会谈的议题清单很长，涵盖世界经济、气候变化和核武器不扩散问题。
2. The battery cover (12) is in detachable connection with the case (11), for covering a battery in the mobile phone. 前述电池盖（12）以可拆卸的方式与机壳（11）结合，用以覆盖移动电话内部的一电池。
3. Party requested that China submit the notifications required in the Draft Protocol and Report to the WTO body with a mandate covering the subject of the notification. 工作组成员要求中国向所获授权涵盖通知主题的WTO机构提交议定书（草案）和工作组报告书所要求的通知。
英英解释
n.
1. a natural object that covers or envelops
2. an artifact that covers something else (usually to protect or shelter or conceal it)
3. the act of concealing the existence of something by obstructing the view of it
4. the act of protecting something by covering it
5. the work of applying something
