glass envelope

例句：

1. 1.The glass envelope was carefully sealed with a ribbon.
   这个玻璃信封被小心翼翼地用丝带封了起来。
2. 2.The gift inside the glass envelope was a surprise for her.
   玻璃信封里的礼物是她的一个惊喜。
3. 3. She carefully opened the glass envelope to reveal the contents.
   她小心翼翼地打开玻璃信封，露出了里面的内容。