三等舱third: n. 1.〔the third〕第三。 2.第三者〔指人 ...cabin: n. 1.小屋,小室;〔英国〕(铁路等的)信号室。 2. ...first-cla stateroom (cabin): 头等舱first-cla tateroom(cabin): 头等舱second-cla stateroom (cabin): 二等舱下载手机词典可随时随地查词查翻译