third class

Từ điển Oxford Advanced Learner 8th

▪ I. ˌthird ˈclass [third class] BrE NAmE noun
1. uncountable, singular (especially in the past) the cheapest and least comfortable part of a train, ship, etc.
2. uncountable (in the US) the class of mail used for sending advertisements, etc.
3. uncountable, singular the lowest standard of degree given by a British university
 
▪ II. ˌthird ˈclass BrE NAmE adverb
•to travel third class
Main entry: ↑third-class_derived