Arcturus

名词 arcturus:

1. the 4th brightest star and the brightest star in the constellation Bootes; 36 light-years from Earth

Arc.tu.rus

n.（名词）
The fourth brightest star in the sky and the brightest star in the constellation Boôtes, approximately 3' light-years from Earth.
大角星，牧夫座：天空中第四亮的星星，是牧夫星座最亮的星，距地球约3'光年

来源：
Middle English
中古英语
from Latin Arctôrus
源自 拉丁语 Arctôrus
from Greek Arktouros
源自 希腊语 Arktouros
arktos [bear] * see —tko-
arktos [熊] *参见 —tko-
ouros [guard, from its position behind Ursa Major] * see wer- 3
ouros [哨兵，从其在大熊座之后的位置] *参见 wer- 3