爱因斯坦在学校时，是班里的最后一名。

When Einstein was in school, he was at the ___bottom of his class.

在绩效评估中，她总是在团队中排名垫底。

She always ranked at the ___bottom of her team in performance reviews.

重组后，我们部门处于公司层级的最底层。

After the reorganization, our department was at the ___bottom of the company hierarchy.