fluorescence

🇺🇸 /fləˈresns/ 🇬🇧 /fləˈresns/
词频
难度
标签 TOP20000
noun
R

The emission of light by a substance that has absorbed electromagnetic radiation, such as sunlight or artificial light.

The mineral showed fluorescence when exposed to ultraviolet light.

这种矿物在暴露于紫外线下时会发出荧光。

R

The property of a material to emit light and be visible in the dark after being exposed to light.

The glow sticks at the concert relied on fluorescence to make them easily seen in the dark.

音乐会上的荧光棒依靠荧光在黑暗中容易被看到。

translation

n. 荧光, 荧光性

词形变化

Plural fluorescences