leading       
adjective [ before noun ] uk/ˈliː.dɪŋ/ us/ˈliː.dɪŋ/
B2 主要的;顶级的,尖端的
very important or most important
  a leading expert on the country's ecology 研究该国生态的顶级专家 
 the world's leading manufacturer of audio equipment 世界顶级音响制造商 
 - More examples
 - He has established himself as the leading candidate in the election.
 - Jaqueline du Pré was a leading exponent of cello-playing.
 - Our products compare favourably with all the leading brands.
 - She heads one of Britain's leading travel firms.
 - She's the country's leading mezzo-soprano.