折磨人的头痛使他不能全神贯注地学习。

A racking headache made him unable to concentrate on his study.

youdao

当你开始学习时，你应该全神贯注于你的功课。

When you begin to learn, you should be preoccupied the homework at you.

youdao

当你开始学习时，你应该全神贯注于你的功课。

When you begin to learn, you should be preoccupied the homework at you.

youdao