基本解释巨星分支星英汉例句雙語例句A66 is a red star located at the lowest end of the red giant branch (near the top of the sub-giant branch) of the globular cluster M4.A66是位於球狀星團M4紅巨星支最底部（近亞巨星支頂部）的一顆紅星。giant-branch star更多例句