liè / hù / zuò / dà / xīng / yún / shì / yè / kōng / zhōng / zuì / zhù / míng / de / liàng / xīng / yún / zhī / yī

猎户座大星云是夜空中最著名的亮星云之一。

The Orion Nebula is one of the most famous diffuse nebulae in the night sky.