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

老鹰超凡的视觉敏锐度为它们显著的优势。

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。

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

他们的视敏度还低，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.

他们的视力差，世界模糊，他们几乎不能理解这些东西。

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。

Narrowing your eyes in disgust improves visual acuity on a specific point, perhaps to pick out gross things from your food.

厌恶地眯起眼睛可以提高特定点的视觉敏锐度，也许可以从食物中挑出恶心的东西。

It increases visual acuity, edge detection's better, it makes people more sensitive, probably more aware, probably a better hunter.

这会增强视觉敏锐度， 改善边缘检测能力，使人更加敏感， 可能也更加警觉，或许还能成为更出色的猎手。