英语语法分析

Seven second-class passengers prepared to disembark.

7名二等舱的旅客准备下船了。

《柯林斯英汉双解大词典》

First-class passengers enjoy "élite" security lines and priority boarding, and disembark before the unwashed in coach, held at bay by a flight attendant, are allowed to foul the jet-way.

头等舱乘客享受“精英”安检通道，能优先登机，并能在被空乘人员管辖的经济舱普通民众“弄脏”移动通道之前，优先下飞机。

It is still unclear whether they will disembark at all.

他们到底会不会上岸还不清楚。