[only before noun](in the UK) connected with letters, packages, etc. that you pay less to send and that are delivered less quickly第二类的(英国邮件等级,投递较第一类慢,邮资也较低)
second-class letters/stamps第二类信件;第二类邮件所贴的邮票
(in the US) connected with the system of sending newspapers and magazines by mail第二类的(美国邮件等级,用于投递报刊)
[only before noun]used to describe a British university degree which is good but not of the highest class二等的(英国大学学位)
Applicants should have at least a second-class honours degree.申请者须有二等以上学位。🔊🔊