step down例句

Getting into the aft cabin involves a slight step down from saloon level.
去后舱需要从餐厅的位置略微往下迈一小步。

The reactionaries will never, of their own accord , step down from the stage of history.
反动派决不会自行退出历史舞台.

A step - down transformer has a turns ratio less than 1.
降压变压器的匝数比小于1.