Sān / yè / xīng / yún / shì / xià / jì / yè / kōng / zhōng / zhù / míng / de / shēn / kōng / tiān / tǐ

三叶星云是夏季夜空中著名的深空天体。

The Trifid Nebula is a famous deep-sky object in the summer night sky.