1. 世界级的；世界一流的
A world-class sports player, performer, or organization is one of the best in the world.

e.g. He was determined to become a world-class player.
他决心成为世界级选手。
e.g. ...some of Britain's few world-class companies.
英国少有的世界级公司中的几个

adj

1. ranking above all others

e.g. was first in her class
the foremost figure among marine artists
the top graduate

Synonym: firstforemost