written document
⇒ 教育部明文规定,一定要减轻学生负担。
The Education Department has stipulated in writing that the burden on students mustbe reduced.
英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。