the quality of being luminous; emitting or reflecting light;
"its luminosity is measured relative to that of our sun"
双语例句
1. For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
它的亮度有几年一度达到了现在太阳亮度的一万倍左右。
来自辞典例句
2. Mount Battie without losing its definition would take on a blue luminosity.
远处的巴蒂山沉浸在一派蓝茫茫的暮蔼之中,轮廓朦胧.
来自辞典例句
3. Astronomers tacitly assume that stars of the same luminosity and color all have the same mass.
天文学家心照不宣地默认,光度和颜色都相同的恒星具有相同的质量.
来自辞典例句
4. The cloud should then have an infrared luminosity thousands of times the sun's bolometric luminosity.
云的红外光度应为太阳热光度的几千倍.
来自辞典例句
5. The quasars cannot shine for longer than a few million years with their present luminosity.
在几百万年以后,类星体将不可能具有他们今天那样的发光度.
来自辞典例句
用作名词 (n.)
Luminosity glows through pale velum walls. 耀眼的光芒透射着苍白的幕墙。
I must have felt pretty weird by that time, because I could think of nothing except the luminosity of his pink suit under the moon. 我当时一定已经神志恍惚了,因为我脑子里什么都想不到,除了他那套粉红色衣服在月光下闪闪发光。
Its luminosity is measured relative to that of our sun. 发光度是对比我们太阳的发光度测得的。
Astronomers tacitly assume that stars of the same luminosity and color all have the same mass. 天文学家心照不宣地默认,光度和颜色都相同的恒星具有相同的质量。
The candle is the basic unit of luminosity. 蜡烛是基本照明材料。