“矮星”的英语？

小天狼星布莱克是一条大狗 ( 大脚板 ),小矮星彼得变为一只耗子 ( 虫尾巴 ).Sirius became a large dog ( Padfoot ) while Peter became a rat ( Wormtail ).所以, 宽距的双矮星系统应该极为稀少,甚或不存在.Thus, widely separated binary dwarfs should be rare or nonexistent.小矮星死后被追授一级梅...

“矮星”的拼音为：ǎi xīng...