With alternative text the assistant technology, such as a screen reader, can convey the meaning of the image in an alternative way.
有了替代文本后,屏幕阅读器之类的辅助技术就可以以另一种方式传达图片的内容。
Gone was the role of the reader in forming the text.
读者对文章成型所起的作用也就不见了。
It can also scroll text on the screen in response to eye movements, sensing when the reader has reached the end of the visible text.
同时,当用户看文本的时候,它也可以根据眼神的移动来控制文字的滚动。
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