parsec
「parsec」的意思
n. 秒差距（表示天体间距离的单位）
n.[天]秒差距(1秒＝3.26光年)
「parsec」的用法
parsec光年 - 用于测量宇宙距离的单位
「parsec」的例句
The nearest star to our solar system is about 4.24 parsecs away.
我们太阳系最近的恒星距离约为4.24光年。
The parsec is a unit of length used in astronomy.
光年是天文学中常用的长度单位。
The distance to the Andromeda galaxy is approximately 2.537 parsecs.
仙女座星系的距离约为2.537光年。
Parsecs are used to measure the vast distances between stars and galaxies.
光年用于测量恒星和星系之间的巨大距离。
One parsec is equal to about 3.2616 light-years.
一光年等于约3.2616光年。
The parsec is a convenient unit for describing cosmic distances.
光年是一个方便描述宇宙距离的单位。
The distance to the center of the Milky Way galaxy is about 8,000 parsecs.
银河系中心的距离约为8,000光年。
Parsecs are not used for everyday measurements, but they are essential in astronomy.
光年不用于日常测量，但在天文学中至关重要。
A parsec is approximately 31 trillion kilometers.
一光年大约等于31万亿公里。
Parsecs help astronomers understand the scale of the universe.
光年帮助天文学家理解宇宙的规模。