light-year distance
光年距离
measured in light-years
以光年为单位
light-years away
距离光年
several light-years
数光年
light-year scale
光年尺度
across light-years
跨越光年
light-year equivalent
光年当量
travel light-years
穿越光年
light-years from
距离...光年
a light-year
一个光年
the star is several light-years away.
这颗恒星远在数光年之外。
proxima centauri is the closest star to our sun, just over four light-years away.
半人马座α星是距离太阳最近的恒星，距离超过四光年。
scientists use light-years to measure vast distances in space.
科学家们用光年测量太空中的巨大距离。
traveling at the speed of light, it would still take years to cross a single light-year.
即使以光速行驶，穿过一光年也需要数年时间。
the exoplanet orbits a star 20 light-years from earth.
这颗系外行星围绕着一颗距离地球20光年的恒星运行。
the andromeda galaxy is approximately 2.5 million light-years away.
仙女座星系距离我们大约250万光年。
a light-year is a unit of distance, not time.
光年是一个距离单位，而不是时间单位。
the spacecraft would need many years to travel even one light-year.
飞船需要很多年才能行驶一光年。
the quasar's light has traveled billions of light-years to reach us.
该类星体发出的光已经穿过数十亿光年才能到达我们这里。
understanding light-years helps grasp the scale of the universe.
理解光年有助于我们理解宇宙的规模。
the telescope can observe galaxies millions of light-years distant.
这台望远镜可以观测到数百万光年远的星系。
light-year distance
光年距离
measured in light-years
以光年为单位
light-years away
距离光年
several light-years
数光年
light-year scale
光年尺度
across light-years
跨越光年
light-year equivalent
光年当量
travel light-years
穿越光年
light-years from
距离...光年
a light-year
一个光年
the star is several light-years away.
这颗恒星远在数光年之外。
proxima centauri is the closest star to our sun, just over four light-years away.
半人马座α星是距离太阳最近的恒星，距离超过四光年。
scientists use light-years to measure vast distances in space.
科学家们用光年测量太空中的巨大距离。
traveling at the speed of light, it would still take years to cross a single light-year.
即使以光速行驶，穿过一光年也需要数年时间。
the exoplanet orbits a star 20 light-years from earth.
这颗系外行星围绕着一颗距离地球20光年的恒星运行。
the andromeda galaxy is approximately 2.5 million light-years away.
仙女座星系距离我们大约250万光年。
a light-year is a unit of distance, not time.
光年是一个距离单位，而不是时间单位。
the spacecraft would need many years to travel even one light-year.
飞船需要很多年才能行驶一光年。
the quasar's light has traveled billions of light-years to reach us.
该类星体发出的光已经穿过数十亿光年才能到达我们这里。
understanding light-years helps grasp the scale of the universe.
理解光年有助于我们理解宇宙的规模。
the telescope can observe galaxies millions of light-years distant.
这台望远镜可以观测到数百万光年远的星系。
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