the bottom step (of a flight of stairs)

• （楼梯的）最低一级

the bottom step (of a flight of stairs)的用法和样例：

例句

1. He is still on the bottom ring of the political ladder.
   他尚处于政治阶梯的最低一级。
2. Clyde was given a job at the very bottom of the business, but his uncle soon made him a supervisor.
   克莱德从工厂里最低一级做起，不久他叔叔让他当了监工。