Odyssey's spectrometer uncovered a region with huge quantities of hydrogen under the surface, indicated by the color blue.

奥德赛分光计显示火星上一个地地表下存在大量氢，就是蓝色表示。

The advantage of trichromy disappears in darkness when colors are hard to distinguish, But the spectrometer data showed that fruits still stand out against a leafy background because they reflect more light than leaves too and therefore look brighter.

三色视觉优势在黑暗中消， 因为颜色难以分，但分光计数据显示， 然能在树叶背景中突出， 因为它们反射光线比树叶多， 因此看起来更亮。

While we’re observing these stars, we can use a spectrometer, the device that separates wavelengths, to reveal the star’s absorption spectrum and its elemental composition.

当我们观察这些恒星时，可以使用分光计这种能分离波长设备来揭示恒星吸收光谱及其元素组成。

The animals consumed and used a spectrometer to measure the amount of light each food type reflected.

动物们食用了食物，并使用分光计测量每种食物反射光线量。