third-class

adjective

/ˌθɜːd ˈklɑːs/

/ˌθɜːrd ˈklæs/

(especially in the past) connected with the cheapest and least comfortable way of travelling on a train, ship, etc.三等的（尤指旧时火车座位、轮船舱位等）Topics Transport by waterb1
(in the US) connected with the class of mail used to send advertisements, etc.第三类的（美国邮件等级）
[only before noun] used to describe the lowest standard of degree given by a British university第三等的（英国大学学位）Topics Educationc2
(disapproving) (of people人) less important than other people第三等的；卑微的
- They are treated as third-class citizens.他们被当成三等公民对待。

词汇	third-class
释义	third-class adjective /ˌθɜːd ˈklɑːs/ /ˌθɜːrd ˈklæs/ (especially in the past) connected with the cheapest and least comfortable way of travelling on a train, ship, etc.三等的（尤指旧时火车座位、轮船舱位等）Topics Transport by waterb1 (in the US) connected with the class of mail used to send advertisements, etc.第三类的（美国邮件等级） [only before noun] used to describe the lowest standard of degree given by a British university第三等的（英国大学学位）Topics Educationc2 (disapproving) (of people人) less important than other people第三等的；卑微的 They are treated as third-class citizens.他们被当成三等公民对待。
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