concentrate
['kɔnsentreit]
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 |
详细释义:
vt.
1. 集中; 聚集, 集结[O][(+on/upon)]
We must concentrate our attention on efficiency.
我们必须把注意力集中在效率上。
Our population is concentrated in the big cities.
我国人口集中在大城市里。
2. 浓缩
vi.
1. 集中; 聚集, 集结[Q]
2. 全神贯注; 全力以赴[(+on/upon)]
She couldn't concentrate on a book very long.
她不能长时间专心读一本书。
n.
浓缩物; 浓缩液[C][U]
短语词组:
concentrate on/upon
1. 全神贯注于
I must concentrate on my work now.
我现在必须集中精力工作。