third-class

1. ADJ In the United States, third-class mail is mail consisting of advertising material such as brochures and fliers, which is cheaper to send than other types of mail. 第三類郵件的[美國英語]

The cost of third-class mail has gone up by 50 per cent. 第三類郵件的郵資上漲了50%。

2. ADJ In the past, the third-class accommodations on a train or ship were the cheapest and least comfortable accommodations. 三等艙的; 三等車廂的; 最低等艙、廂的[usu ADJ n]

...third-class passengers. ...三等艙乘客

3. ADJ A third-class degree is the lowest honours degree that can be obtained from a British university. (英國大學(xué)學(xué)位)三等的[ADJ n]