同义词： red giant star
以上来源于: WordNet
N a giant star towards the end of its life, with a relatively low temperature of 2000–4000 K, that emits red light 红巨星
The brightest reddish stars in the cluster are ancient red giants.
星团中最明亮的微红色恒星是远古的红巨星。
Only about 2% of red giants follow this fate, to become stars known as “B-type subdwarfs”.
只有2%的红巨星会如此演变，成为B型亚矮星（“B-type subdwarfs”）。
But stars like our sun swell into bloated red giants when the nuclear fuel in their cores is depleted.
但是，像太阳这样的恒星，当核心的核燃料耗尽时，就会发生膨胀，成为胀大的红巨星。
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