... 9.hinder vt.vi.阻碍,妨碍,阻挡 keep their mind on专心于 keep apart(使)分开 ...
双语例句
1
The aim is to help teenagers keeptheirmindon their work by keeping males and females apart.
实施男女分班的目的是帮助青少年将注意力集中于他们的学习上。
2
We bet they keepon working even at night during the sleep – and at this time their vigorous imagination and restless mind picture unbelievable and grotesque buildings in front of their closed eyes.
All your TA's have either already have their extra office hours, or there are some that will be going on tonight or tomorrow, so keep those in mind as your finishing up your studying for the exam.