英语语法分析

Look northeast of bright star Deneb in the constellation Cygnus the Swan.

它们在天鹅座的天津四这颗亮星的东北方。

The first three stars to pop out into your western sky after sunset are Vega, Altair and Deneb.

日落后率先在西方天空中出现的三颗星星是织女星，牵牛星和天津四。