major spiral的用法和样例：
例句
- Grand spiral galaxies often seem to get all the glory, flaunting their young, bright, blue star clusters in beautiful, symmetric spiral arms.
大螺旋星系似乎拥有所有的荣耀，不断炫耀他们对称旋臂中蓝色星团的年轻，明亮，及美丽。 - Following its terrestrial namesake, the Tadpole Galaxy will likely lose its tail as it grows older, the tail's star clusters forming smaller satellites of the large spiral galaxy.
和地球上同名的动物相似，随着蝌蚪星系年龄的增加，它的尾巴很可能也会消失，而位于长尾的这些星团，会聚集成这个大螺旋星系的小卫星星系。
