dumbbell galaxy的用法和樣例：
例句
- In the current paradigm of galaxy formation, disk galaxies are assumed to form by the cooling and condensation of baryons within dark matter halos.
目前的星系形成理論認為，盤狀星系由暗暈中的重子物質冷卻并坍縮而成。 - The big, beautiful spiral galaxy is located just 10 million light-years away, behind a veil of foreground dust and stars in the high and far-off constellation of Cepheus.
這是一個很壯觀而且漂亮的漩渦狀星系，距離我們僅僅一千萬年光年遠，就在仙王座的位置。
