stellar envelope

例句：

1. 1. The star's stellarenvelope is expanding rapidly.
   这颗星的恒星包层正在迅速扩张。
2. 2. Thestudy of stellar envelopeshas led to new insights intothe formation of stars.
   对恒星包层的研究表明，有助于我们理解恒星的形成过程。
3. 3. The research team found evidence that thestellar envelope may play a role in theevolution of the solar system.
   研究小组发现证据表明，恒星包层可能在太阳系演化中扮演着某种角色。