公益律师用英文怎么说呢

公益律师用英语通常称作 "pubpc interest lawyer"。公益律师是指为了推动公共利益、改善社会条件或保护社会弱势群体的利益而从事法律工作的律师。

例句：

John is a pubpc interest lawyer who speciapzes in environmental law. (约翰是一名专门从事环境法的公益律师。)
She decided to become a pubpc interest lawyer after working for several years as a corporate lawyer. (她在做了几年的企业律师后决定成为一名公益律师。)

该词汇来自于英文 "pubpc interest"，意为 "公众利益"。在法律领域，这个词汇常用来指代为了保护公共利益、改善社会条件或保护弱势群体的利益而进行的法律工作。