group of galaxies的用法和樣例：
例句
- In the Local Group, as elsewhere in the Universe, however, dwarf galaxies outnumber their larger, shapelier cousins.
在本星系群或者宇宙的其他地方，矮星系都多於形狀規則的大型星系同輩。 - The long arcs in the optical image are caused by gravitational lensing of background galaxies by matter in the galaxy cluster, the largest system of such arcs ever found.
在可見光圖像中巨長的弧線是由於背景巨大質量星系群的引力透鏡所導致的，如此巨大系統中的弧線還從沒見過。
