n.从业者；实践者
He is an unqualified practitioner of law. 他是个无资格的律师。
Socrates was the greatest practitioner of this analytical search for fundamental assumptions. 苏格拉底是这种以理性分析法探求基本假设的最伟大的实践者。
In Qing Dynasty Government, Li Hongzhang is the main leader and practitioner of the construction of coast defense. 李鸿章是清政府海防建设的主要领导人和实践者。
As an advocator and practitioner of the public library, he bought and collected books and provided reading chances for each person. 作为一个公共图书馆的倡导者和实践者，他买书、藏书，并为每一个人提供阅读的机会。
