intrinsic variable star

例句：

1. 1. The intrinsic variable star is a rareand fascinating object in our galaxy.
   这个内在变星是我们星系中一种罕见而迷人的天体。
2. 2. The discovery of this intrinsic variablestar has sparked new research on theformation of stars.
   这种内在变星的发现激发了对恒星形成新研究的兴趣。
3. 3.Intrinsic variable stars are oftenused as a standard for measuring the distanceto other galaxies.
   内在变星通常被用作测量其他星系距离的标准。