concentration

形容词：

形容词: concentrative

更多词形：

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 |

单词例句：

They strongly recommended concentration of offer.

他们极力建议集中报盘。

Check oxygen concentration by a refractometer.

用折射仪测量一下氧气的浓度。

Titanium is useful at low concentration only.

钛只在低浓度时起作用。

Exceptionally great concentration, power, or force.

特别强烈的程度，力量或动力

This test will need all your concentration.

这个测试需要全神贯注才能读懂。

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。

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

这种药影响人精神不能集中。

His concentration lapsed after a few minutes.

几分钟后他的注意力就下降了。

What were these concentration camps?

战场军事社区?