dwarf star

例句：

1. 1. The dwarf star in the sky is a fascinating object.
   天空中的矮星是一个令人着迷的天体。
2. 2. Astronomers have discovered many new dwarf stars in the Milky Way galaxy.
   天文学家在银河系中发现了众多新的矮星。
3. 3. Dwarf stars are often found in the outer regions of our solar system, where they can be difficultto spot.
   矮星通常位于我们的太阳系外围区域，它们很难被发现。