concentrates

['kɔnsentreit]

[ concentrates ]

v.专心, 集中, 浓缩
n.浓缩物

例句与用法：

The threat of going bankrupt is very unpleasant but it certainly concentrates the mind.

即将破产的威胁虽令人极烦恼，但确也能逼迫人开动脑筋。

The crowds concentrated round the palace.

人群汇集在宫殿的四周。

I can't concentrate on my work when I'm tired.

我累了就无法集中精力工作。

词形变化：