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：
形容词: concentrative | 副词: concentratively | 名词: concentrator | 动词过去式: concentrated | 动词过去分词: concentrated | 动词现在分词: concentrating | 动词第三人称单数: concentrates |