1、protester
抗议者;反对者;
The protester was jabbing a finger aggressively at a policeman.
那个示威者挑衅地用手指戳向一名警察
2、summit
高层会议;最高阶层;
Egypt had agreed to a summit subject to certain conditions.
埃及有条件地同意了一项峰会主题
Officials are laying the groundwork for a summit conference of world leaders.
官员们正在为世界首脑峰会做准备工作 。