noun 下载 🔗分享 论文,专著 A formal, usually lengthy, systematic discourse on some subject. Examples : "Professor Lee assigned a lengthy treatise on the history of the Roman Empire to her students. " 李教授给她的学生布置了一篇关于罗马帝国历史的长篇专著作为作业。 writing literature philosophy theory science education 与AI对话词汇游戏阅读练习