| 单词 | world leader | 
| 释义 | world leader Word forms:  world leaders   1. countable noun  A world leader is someone who is the leader of a country, especially an economically powerful country.  2. countable noun  A product, company, organization, or person that is a world leader is the most successful or advanced one in a particular area of activity.  [journalism]  London has established itself as a world leader in hosting major cultural and sporting events.    Less red tape is needed if Britain is to remain a world leader in health research.     | 
	
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