Those captions come from things like the alt text that website owners upload with their images, for accessibility and for search engines.

这些标题来自于网站所有者上传图片时的 alt 文本，以方便访问和搜索引擎。

But ALT Text can go further than just visual description.

但是 ALT 文本可以比视觉描述更进一步。

That image's ALT text has likely been heard by multitudes.

该图像的 ALT 文本可能已被许多人听到。

Like, I want people to write alt text so that I can access images on the internet.

就像， 我希望人们能够写上交替文字， 这样我就能够进入互联网上的图片了。

Both Blome and Carruthers say that ALT text represents a merging of science and art.

Garzón：Blome 和 Carruthers 都说 ALT 文本代表了科学与艺术的融合。

Where it succeeds has some really valuable but specific applications, like making the internet more accessible through quality captions and alt text.

它成功的地方有一些真正有价值但具体的应用，例如通过高质量的标题和替代文本使互联网更容易访问。

At its best, ALT text also helps… Carruthers:   … fill in the gaps for what you might be missing if you can't access the whole image completely.

在最好的情况下，ALT 文本也有帮助… … Carruthers：… … 如果您无法完全访问整个图像，则可以填补您可能遗漏的空白。

And ALT text, as you might have gathered, is an official way to describe, and make accessible, the contents of an image to someone that might not be able to see it with their eyes.

正如您可能已经了解到的那样， ALT 文本是一种官方方式，用于向可能无法用眼睛看到图像的人描述和访问图像内容。