light-year
light-year
- 美：[美 ]
- 英：[英 ]
基本释义：
- na.【天】光年
反义词： None
搭配： None
权威英汉双解
1. | 光年（指光在一年中走过的距离：9.4607 × 10¹2 公里）the distance that light travels in one year, 9.4607 × 10¹2 kilometres |
The nearest star to earth is about 4 light years away. 地球离最近的恒星大约为 4 光年。 |
2. | [pl] 很长时间；很久a very long time |
Full employment still seems light years away. 充分就业好像依然是遥遥无期。 |
英汉解释
英英解释
n. | 1. a unit of distance in astronomy equal to the distance that light travels in a vacuum in one mean solar year, approximately 9.46 trillion km (5.88 trillion mi) |
np. | 1. a very long way in time, distance, or other quantity or quality |
网络词意
1. | 光年 光字的解释---在线新华字典 ... 光能〖 luminousenergy;lightenergy〗 光年〖 light-year〗 光谱〖 opticalspectrum〗 ... xh.5156edu.com|基于257个网页 |
例句
Also visible, near the bottom of the image, is ten light-year long pillar sometimes dubbed the Fairy of Eagle Nebula .
此外，靠近影像底部有十根长度将近一光年的气柱，它们有时被戏称是老鹰星云的仙女。
dictsearch.appspot.com
Dreams seem always loom at the other side of the Galaxy, hundreds and thousands of light-year away from us. is that so far?
梦想永远是遥遥地偶尔出现在银河的那一端。那几万光年，真的是那么长、那么远么？
dictsearch.appspot.com
At present, the Earth has surrounded by a 50 light year-wide "shell" of radiation from analogue TV, radio and radar transmissions, he said.
他说，地球目前裹着一层由模拟电视、无线电和雷达传输辐射构成的50光年厚的外壳。
blog.163.com
Within just a light-year of the black hole swarm more than 100, 000 other stars caught far more firmly in its grip.
仅在黑洞的一光年范围内就云集着另外十多万颗恒星，处在它更牢固的掌控之中。
article.yeeyan.org
One light year is the distance that light travels in a year.
一个光年是光在一年移动的距离。
www.kfyes.com
One light year is the distance light will travel in a year, or about 6 trillion miles (10 trillion kilometers).
一光年是光在一年当中所能够穿行的距离，或者说大约相当于6万亿英里（10万亿公里）。
www.showxiu.com
A light-year is the distance light travels in a year, or roughly 6 trillion miles (10 trillion kilometers).
光年是指光传播一年时间的距离，相当于10万亿公里（6万亿英里）。
bbs.bjp.org.cn
Know astronomical unit and light year are used for expressing the distance between celestial bodies.
知道天文单位和光年是用来丈量天体之间距离的单位。
blog.sina.com.cn
An approximately one-light-year tall "pillar" of cold hydrogen towers above the wall of the molecular cloud.
从分子云墙上耸立出来的一个大约1光年高的冷氢气柱。
www.astronomy.com.cn
light year , which is the distance traveled by light in one year . note that light year is a distance scale , not a time scale.
为量度单位，一光年是光在真空中行走一年的距离，紧记光年是距离单位而不是时间单位。
www.ichacha.net
