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- 演化晚期恒星的星周尘埃包层circumstellar envelope around evolved stars
- 周lap
- 绕年轻恒星和主序星的星周尘埃盘dust disks around young stars
- 一周one week
- 下周next week
- 分析认为我们观测到的是大角星的一次以天计的短时标色球剧烈活动,它伴随着物质的向外抛射,也引起星周物质的向外运动。Our conclusion is that we happened to observe an intensive short time-scale activity of the chromosphere of Arcturus characterized by mass outflow and outward motions of circumstellar matter.
- 双子星binary star
- 周三Wednesday
- 他午餐吃了一盘牛肉。He had a plate of beef for lunch.
- 本周this week; the current week
- 北斗七星Triones
- 他的秘书将他的信件放到收文盘内。His secretary put his mail in his in tray.
- 男星male star
- 周一Monday
- 微星pint-size star
- 周二Tuesday
- 外星extraterrestrial
- 周线contour
- 星探talent
- 多星starry