- A nebula, such as the Ring Nebula, consisting of a hot, blue-white, central star surrounded by an envelope of expanding gas.行星状星云：由一颗炽热的、蓝白色的中心恒星和包围它的一层向外膨胀的气体组成的星云，如环状星云
- assuages
- assuaging
- assuasive
- assume
- assumed
- assumed
- assumes
- assuming
- assuming
- assumpsit
- assumpsits
- assumption
- Assumption College
- Assumption College for Sisters
- assumptions
- assumptive
- Assur
- assurance
- assurances
- Assurbanipal
- assure
- assured
- assured
- assureds
- assures
- 忧苦
- 忧葵
- 忧虑
- 忧虑不安
- 忧虑的反义词
- 忧虑的近义词
- 忧虞
- 忧衅
- 忧襟
- 忧詟
- 简洁的伤心的签名
- 文艺悲伤签名
- 唯美悲伤签名
- 悲伤签名
- 失恋唯美说说
- 文艺悲伤签名
- 悲伤的签名
- 经典悲伤签名
- 文艺悲伤签名
- 流行温馨早安个性签名
- 《不第后赋菊》古诗鉴赏
- 《月出》古诗
- 思念故乡的古诗
- 思念故乡的古诗
- 珍惜时间的古诗
- 珍惜时间的古诗
- 《田家》古诗鉴赏
- 《田家》古诗鉴赏
- 《江上吟》古诗鉴赏
- 写教师的古诗