first-class

adj.

最好的；第一流的；优秀的；

adv.

最好地；第一流地；优秀地；

first-class quality头等质量；头等货

1. Springtime is the best season for dog-sledge tours and skiing although Greenland also offers first class summer skiing on glaciers and dog-sledge tours in the summer.
   尽管格陵兰岛在夏季为人们准备好了上等的滑雪和狗拉雪橇的旅游活动，人们还是认为春季是进行这些活动的最佳季节。
2. Many of the terms used in the most matter-of-fact way this great assemblage of the first ladies and gentlemen in the land would have made a Comanche blush.
   这一大群人明明都是国中最上等的绅士淑女，但是他们用最实事求是的态度说出话来，所用的字眼儿有许多都是让科芒契人听了都得面红耳赤的。

Power: A First-Class Architectural Design Constraint
Power: A First-Class Architectural Design Constraint
Mudge, T.: Power: A first-class architectural design constraint. Computer 34(4), 52-58
The theory and practice of first-class prompts
The theory and practice of first-class prompts
First-class user-level threads
First-class user-level threads
First-Class Phantom Types
Procedure calls are the assembly language of software interconnection: Connectors deserve first-class status
First-Class User-Level Theads.