广泛阅读,博览群书
read sth up
(就某课题)广泛阅读,博览群书
to read a lot about a subject
I'll need to read up on the case before the meeting.在开会前,我需要看一些有关这件事的材料。
释义来自《牛津高阶英汉双解词典》第 9 版