fourth class短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 adj.第四类邮件的；邮包的；adv.以第四类邮件发送；以邮包发送 It sounded much safer in those days to tell friends, colleagues and neighbors that you traveled second, third, or fourth class down the river. 在那个年代，你跟朋友、同事、邻居说，自己坐二等、三等或四等舱游览了长江，会稳妥得多。 fortunechina