concentrate

专心、专注、集中注意力

It's too noisy in here for me to concentrate on my work.

这里太吵了，我没办法专心工作。

集中、投入

The company decided to concentrate its resources on two main products.

公司决定把资源集中在两项主要产品上。

集中、聚集常用被动

Most of the country's factories are concentrated in the south.

该国大多数的工厂都集中在南部。

浓缩、使变浓

The juice is concentrated by removing most of the water.

果汁是透过去除大部分水分而浓缩的。

浓缩液、浓缩物

Just add water to the concentrate and stir well.

只要在浓缩液里加水并搅拌均匀就好。