concentration

concentration

[.kɔnsen'treiʃən]

n.集中, 专心, 浓度

例句与用法：

The tennis players need total concentration during play.

网球运动员在比赛中需要全神贯注。

The drug affects one's power(s) of concentration.

这种药影响人精神不能集中。

The inward flow of a fluid through a permeable membrane toward a fluid of greater concentration.

内渗透一种液体透过可渗透膜流向另一种浓度比它高的液体的内部流动

A state of mental concentration.

专心致志，全神贯注全神贯注的状态

I found it hard to keep my concentration with such a noise going on.

吵闹声不绝于耳，我很难保持精神集中。

Stress and tiredness often result in a lack of concentration.

紧张和疲劳常使人精神不集中。

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 |

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n.

1. 集中[C][U]

There is a concentration of people in big cities.

大城市人口集中。

2. 专心, 专注[U]

Concentration is essential if you want to do a good job.

如果你想把事情做好, 专心是必要的。

3. 浓缩; 浓度[U][S1]