1. (政府间的)峰会，首脑会议
A summit is a meeting at which the leaders of two or more countries discuss important matters.
e.g. ...next week's Washington summit.
下周的华盛顿峰会
e.g. ...the NATO summit meeting in Rome.
在罗马举行的北约峰会
2. 山顶;顶峰
The summit of a mountain is the top of it.
summit
e.g. Snow gleamed on the summit of Mount Simon.
西蒙山山顶白雪皑皑。