There is the danger that the high-speed connectivity of the Internet will reduce our attention span—that we will be incapable of reading anything of length or which requires deep concentration.

风险在于，互联网的高速连接会减少我们的注意力持续时间，从而导致我们不能阅读长篇论著，或是需要高度集中注意力的书籍。

With deep concentration she stands still as a statue.

Neytiri精神高度集中，如同雕像般一动不动的站着。

You really work hard, VanNess! That serious look and the deep concentration.

认真工作的样子好帅，别忘了注意身体哦！

When a meditator has gained deep concentration of mind, his mind is purified.

当修行者获得较深的定力时，他的心变得清净。

In fact, the brain can burn as many calories in deep concentration as the muscles do during exercise.

其实，人脑在注意力高度集中时，耗费的热量和肌肉运动一样多。