concentrate in class的意思|示意

If you concentrate in class and make efficient use of your time, you will get good grades.

如果你上课专注并有效率的利用时间，你就会得到好成绩。

Sam: I I have not in the classroom to concentrate way to class, I feel that there are some symbols in my mind kept wandering!

山姆：“在课堂上我都没办法专心听课，我感觉到有一些符号在我脑海里不停的徘徊！”

Juve are well known to be in the market for a top class centre midfielder, and could now concentrate solely on Aquilani following the stalling of the Xabi Alonso transfer from Liverpool.

众所周知，尤文正在转会市场上寻找顶级的中场，在追逐利物浦的中场哈维·阿隆索受挫后，他们可以全力去追逐阿奎拉尼了。

If you are really addicted to it, sometimes you just can't concentrate in class, " he said."

“如果你陷进去了，有时在课上你会很难集中精力”，他说。

Second, I usually have to concentrate in class listening to reason.

第二，我平时上课时都专心听讲的的缘故。

Doctor, I haven't been able to get enough sleep lately, and I'm too tired to concentrate in class.

医生，我最近睡眠不足，上课也很困倦，无法集中注意力。