You should always describe your image in the Alt attribute.
你应该一直使用Al t属性描述你的图像。
The Alt attribute is what describes your image to a blind web user.
Al t属性是用来为盲人web使用者描述图像的。
Do not fill the Alt attribute with lots of keywords, even they are relevant.
不要填写的Al t属性有很多关键词，即使它们是相关的。
It is used in the ALT attribute of the HTML tag when the channel is rendered in HTML.
当频道以HTML呈现时，用作HTML标签的alt属性。
As the checklist 1.1 indicated, you should set the Alt attribute for the ICONS to have an empty value.
如检查列表1.1指出的，您应当将图标的al t属性设为空值。
The photo on the card is an important image, so there should be an Alt attribute with a meaningful description.
卡上的照片是重要的图片，因此其al t属性应包含有意义的描述。
Longdesc is used to give a URI that points to a fuller description of the image than given in the Alt attribute.
longdesc用于提供一个URI，该URI指向关于图片的、与al t属性中的说明相比更详细的描述。
One of the simplest accessibility AIDS to implement is using descriptive and useful Alt attribute for images.
——一个最简单的辅助办法就是使用描述性且有效的图片显示工具。
Search engines can’t see images so your alt attribute is a factor in illustrating what your page is relevant for.
搜索引擎同样不能看到你的图像，因此Alt属性是用来说明你的图片是关于什么的一个因子。
When you validate a page with 50 or 100 images -- and none of them use the alt attribute -- this can be a huge headache.
如果验证的页面有50或 100张图片，而且都没有使用alt属性，这可能是件很麻烦的事。
In this phase, all images are checked as to whether they have the Alt attribute set and whether the relationship between objects are set.
在这个阶段，要检查所有图片的al t属性是否设置、对象间的关系是否设置。
Use the ALT attribute on pictures, even the image is not a link. It helps users with disabilities and people who have turned off graphics.
利用图片的ALT属性，即使图片不可以链接。这样有助于不喜欢图片的用户浏览网站。
The Alt attribute is used to give the short description, in this case "My friend Peter". For complex images, you may need to also give a longer description.
在这个“我的朋友彼得”例子里，al t属性被使用来添加一个简短的描述。
However, since we are not even using an img tag, we can't set an Alt attribute, which is vital for mobile visitors, search engines, screen readers and the like.
虽此，因为我们甚至没使用一个img标签，我们不能设置alt属性，而这对移动用户、搜索引擎、屏幕阅读器之类的来说至关重要。
Many pages popping up on the Web were nothing but a collection of images, with an occasional Alt or title attribute thrown in on an img tag for good measure.
Web上弹出的许多页面只不过是一堆图像，它们带有一个出现在img标记上的随意的alt或title属性。
As the WCAG sc 1.1.1 guidelines described, all non-text content should have an Alt text attribute.
根据WCAGSC1.1.1指南描述，所有非文本内容都应有alt文本属性。
As the WCAG sc 1.1.1 guidelines described, all non-text content should have an Alt text attribute.
根据WCAGSC1.1.1指南描述，所有非文本内容都应有alt文本属性。
应用推荐