常見(jiàn)例句"It has become what astronomers call a subgiant, or a star that has exhausted all of its hydrogen fuel in the core and is on its way to becoming a red giant. 它已經(jīng)變成了天文學(xué)家所謂的‘亞巨星’,也就是說(shuō)成爲(wèi)已經(jīng)耗盡了核心中氫燃料的恒星,竝且正在變成紅巨星。”subgiant branch 亞巨星支subgiant sequence 亞巨星序subgiant spiral 亞巨鏇渦星系subgiant star 亞巨星 返回 subgiant