The eagles' supreme visual acuity gives them a significant advantage.

凡的视觉敏锐度为它们带来了显著的优势。

Their visual acuity is lousy, the world is blurry… they could barely grasp this stuff.

他们的视敏度还很低，看世界都是模糊一片的，几乎抓不住东西。

Their visual acuity is lousy, the world is blurry--they could barely grasp this stuff.

他们的视力很差，世界很模糊，他们几乎不能理解这些东西。

Let me give you one particular reason of interest to me and that's visual acuity.

让我跟你说我感兴趣的关键原因，那就是他敏锐的视觉。

We're using our native language on the field and visual acuity is more alert than your hearing opponents typically.

我们在赛场上使用手语，视力比对手的听觉更敏锐。

We are happy to be here testing the Coast Guard on their visual acuity.

我们很高兴在这里测试海岸警卫队的视力。

And their large retina helps potoos  keep high visual acuity when hunting.

它们的大视网膜有助于 potoos 在狩猎时保持高视力。

The researchers think the moths' visual system slows down in dim light to boost their visual acuity, much like the shutter of a camera.

研究员认为，飞蛾的视觉系统在昏暗的光线下会减慢以提高它们的视力，就像照相机的快门一样。