gēn / jù / hā / bó / dìng / lǜ / jù / lí / wǒ / men / yuè / yuǎn / de / xīng / xì / tōng / cháng / tuì / xíng / de / yuè / kuài

根据哈勃定律，距离我们越远的星系通常退行得越快。

According to Hubble's law, galaxies farther from us generally recede faster.