major spiral的用法和樣例：
例句
- Grand spiral galaxies often seem to get all the glory, flaunting their young, bright, blue star clusters in beautiful, symmetric spiral arms.
大螺旋星系似乎擁有所有的榮耀，不斷炫耀他們對稱旋臂中藍色星團的年輕，明亮，及美麗。 - 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.
和地球上同名的動物相似，隨著蝌蚪星系年齡的增加，它的尾巴很可能也會消失，而位於長尾的這些星團，會聚集成這個大螺旋星系的小衛星星系。
