等级用英语怎么说

等级用英语可以表达为 "rank"。它来源于拉丁文中的 "rangus"，意为 "排列、等级"。例句：

She quickly rose through the ranks to become the CEO of the company.
He was promoted to the rank of sergeant in the army.
The students were ranked by their test scores.

注：以上答案仅基于我所接触的英语教材和相关资料，如有不当之处，敬请指正。