The sailing ships were superseded by the steamships.

帆被汽所取代。

He telephoned the steamship office to find out what time the steamer is due.

他打电话到轮公司办公询问轮何时到达。

It was so foggy that the steamship almost ran down a small boat leaving the port.

雾很大, 汽艇差点把一离港的小撞沉。