It means she had a wedding and put on a ring, signed some papers, got married.

这意味着她举行了婚礼， 戴上戒指，签署了一些文件， 结婚了。

In addition, MRI and CT scans can show ring enhancement or halo around a partially or completely empty sella turcica, called the 'pituitary ring sign'.

此外，MRI和CT扫描可显示部分或全空的蝶鞍附近出现环形强化或光晕，称为“垂体环征”。