Sagittarius arm

例句：

1. 1. The Sagittariusarm is a symbol of freedom and exploration.
   射手座的臂象征着自由和探索。
2. 2. TheSagittarius arm is often associatedwith the sign of Gemini.
   射手座的臂通常与双子座相关联。
3. 3.The Sagittarius arm is consideredto be lucky for those born in thismonth.
   射手座的臂被认为是这个月出生的人的幸运象征。