summit  
noun [ C ] uk/ˈsʌm.ɪt/ us/ˈsʌm.ɪt/
  (MEETING)      
 C2 峰会,首脑会议,最高级会议
an important formal meeting between leaders of governments from two or more countries
  a summit meeting 首脑会议 
 World leaders will meet next week for their annual economic summit. 世界各国领导人将在下周齐聚一堂,参加一年一度的经济峰会。 
 Compare: conclaveconference (MEETING)congress (MEETING)consultationconvention (MEETING)convocation forum (MEETING)meetingseminarsymposium 
 - More examples
 - World leaders held a crisis summit.
 - Summit members met in Rome.
 - He said the environmental summit was all hypocrisy.
 - She refused to attend the summit on global warming.
 
  (HIGHEST POINT)        
C1 山顶,顶峰
the highest point of a mountain
  On this day in 1784, Dr Michel Paccard and Jacques Balmat reached the summit of Mont Blanc. 1784年的今天,迈克尔‧帕卡德医生和雅克‧巴尔马特登上了勃朗峰的顶峰。 
 Synonyms: mountaintoppeak (MOUNTAIN)pinnacle (TOP)top (HIGHEST PART)
 the summit 顶峰,极点,巅峰
the highest, most successful, or most important point in something
  I certainly haven't reached the summit of my career. 当然,我还没有达到事业的巅峰。 
 Synonyms: apex (SUCCESS) peak (HIGHEST POINT)pinnacle (SUCCESS)top (HIGHEST PART)vertex zenith (MOST SUCCESSFUL POINT)