concentrate at

concentrate at 基本解释

<军>（使）集结于某处

concentrate at 用法和例句

1、Can’t concentrate at home. Better go and study at the library.

我在家无法集中注意力。我最好去图书馆学习。

2、Addicted to video games and TV. Couldn't concentrate at home.

我以前沉迷于电子游戏和电视 在家里不能集中精神

3、Depths of these hypocenters concentrate at about 12 km deep in the upper crust.

这些震源深度集中在地壳上部约12公里处。

4、Too many charge concentrate at a sharp point may ionize the air and produced electric wind.

太多电荷集中在尖角时，会令空气电离，产生电风。

5、On the Technical Reform for Improving the Quality and Retaining the Production of Iron Concentrate at Midi Concentrator

密地选矿厂铁精矿提质保产技改的探讨

重点词汇

concentrate vt.& vi. 专心于；注意；集中；聚集 vt. 浓缩，（使）浓缩；[采矿]汰选；选矿，精选，富集 vi. 凝缩，浓缩，提纯 n. 浓缩物 adj. 集中起来的，经过浓缩的