i was about road a ship came to us A travelling on while B to travel on while C travelling by whenD to travel by when求解释~

问题描述:

i was about road a ship came to us A travelling on while B to travel on while C travelling by when
D to travel by when
求解释~

B be about to do 表示即将做某事

D第一个用不定式表示要去做某事,BY ROAD意为陆路(可以是汽车什么的)然后过去进行时加when表示“我正在……,突然……”是一个固定搭配