詞語：light-year
light-year是什麼意思
簡明英漢詞典
light-year
n.
光年
美國傳統詞典[雙解]
light-year
light-year 也作 light year
AHD:[lot「y?r」]
D.J.[6lait7ji*]
K.K.[6la!t7j!r]
n.（名詞）
(1)The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46 × 1012) kilometers or 5.88 trillion (5.88 × 10 12) miles.
光年：一束光在真空裡傳播的距離，約9.64萬億（9.46×1012)公里或5.88萬億(5.88× 12)英里
(2)Often light-years Informal A long way:
常作 light-years 【非正式用語】 很長的路：
a small town light-years away from the action of the capital.
遠離首都喧囂的小鎮
美國傳統詞典
light-year
light-year also light year
AHD:[lot「y?r」]
D.J.[6lait7ji*]
K.K.[6la!t7j!r]
n.
(1)The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46 × 1012) kilometers or 5.88 trillion (5.88 × 10 12) miles.
(2)Often light-years Informal A long way:
a small town light-years away from the action of the capital.
英漢航空大詞典
light-year
n.光年