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，矮星系都多于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(jiàn)光圖像中巨長(cháng)的弧線(xiàn)是由于背景巨大質(zhì)量星系群的引力透鏡所導致的，如此巨大系統中的弧線(xiàn)還從沒(méi)見(jiàn)過(guò)。
