| 释义 | 
		Adjective: first-class  'furst'klãs- Very good;of the highest quality
 "a first-class mind"  - excellent, fantabulous, splendid, beaut [Austral, NZ], top-drawer  Noun: first class  furst klãs- The highest rank in a classification 
 - Mail that includes letters and postcards and packages sealed against inspection
  - 1st class, first-class mail, 1st-class mail  - The most expensive accommodations on a ship or train or plane
  Adverb: first class  furst klãs- By first class conveyance; with first class accommodations
 "we always travel first class" 
 Derived forms: first classes See also: superior Type of: accommodation, high quality, mail, superiority Encyclopedia: First class  First-class |