concentrate

專心、專注、集中注意力

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

這裡太吵了，我沒辦法專心工作。

集中、投入

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

公司決定把資源集中在兩項主要產品上。

集中、聚集常用被動

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

該國大多數的工廠都集中在南部。

濃縮、使變濃

The juice is concentrated by removing most of the water.

果汁是透過去除大部分水分而濃縮的。

濃縮液、濃縮物

Just add water to the concentrate and stir well.

只要在濃縮液裡加水並攪拌均勻就好。