Germs are not visible to the naked eye.

对肉眼而言，细菌是看不见的。

It's invisible to the naked eye.

因为它是肉眼不可见的。

Macro is something you can see with the naked eye.

宏观营养素是你可以用肉眼看到的东西。

Its high-speed cameras record microexpressions invisible to the naked eye.

它的高速摄像镜头可以捕捉到肉眼看不到的微表情。

But to the naked eye, it looks like a cat can.

但是用肉眼看，看起来猫可以这么做。

I can see the cities on it with my naked eye.

上面城市密布， 我用肉眼就能看到。

Seeing satellites from the ground with the naked eye is nothing new.

在地面肉眼观看这些卫星并不是什么新鲜事。

And its greenish blue glow may be visible to the naked eye.

可能用肉眼就能看到它绿蓝色的辉光。

To the naked eye, it is an advert for a used car.

对普通人来说，这是个二手车广告。

You can see the lesions in infected lung tissue with the naked eye.

你可以用肉眼看到被感染的肺组织中的病变。