她的眼镜用英语可以翻译为 "her glasses"。

关于 "glasses" 这个词的来源，它来自旧英语中的 "glas"，意思是"玻璃"。之后在中世纪，人们开始用 "glas" 这个词来指代 "眼镜"。

下面是一些例句：

She put on her glasses and looked at the menu.

He forgot his glasses at home, so he couldn't read the book.

She has a pair of glasses with blue frames.

He broke his glasses, so he had to wear his old ones.

She took off her glasses and rubbed her eyes.