luminosity

.lu:mi'nɒsiti

托福

n. the quality of being luminous; emitting or reflecting light

n. 光明, 光辉, 光度, 亮度
[计] 亮度

25,798

BNC 频率

17,466

使用频率

luminosity 由词根 lum（光）和后缀 -osity（状态、性质）组成，表示“光的状态”或“亮度”。

例句

1. The luminosity of the stars can tell us a lot about their distance from Earth.

星星的亮度可以告诉我们很多关于它们与地球距离的信息。

2. The artist used bright colors to enhance the luminosity of her painting.

这位艺术家使用亮色来增强她画作的亮度。

3. Scientists measure the luminosity of a galaxy to understand its composition.

科学家测量一个星系的亮度以了解其成分。