first-class
US /ˌfɜːrstˈklæs/
UK /ˌfɜːrstˈklæs/

形容词
1.
一流的, 顶级的
of the highest quality or standard
示例:
•
The hotel offers first-class service.
这家酒店提供一流的服务。
•
She's a first-class musician.
她是一位一流的音乐家。
2.
头等舱的
relating to the most expensive and comfortable class of travel on an airplane or train
示例:
•
They flew first-class to Paris.
他们乘坐头等舱飞往巴黎。
•
The train has a first-class carriage.
这列火车有头等舱车厢。
副词
1.
头等舱
the most expensive and comfortable class of travel on an airplane or train
示例:
•
He always travels first-class.
他总是乘坐头等舱。
•
Booking first-class can be very expensive.
预订头等舱可能非常昂贵。
在 Lingoland 学习这个单词