redshift

'redʃɪft

英文释义

n (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding

中文翻译

n. （天体）红移, 红向移动

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使用频率

记忆技巧

redshift 由两个部分组成：red（红色）和shift（移动、变化）。可以理解为“红色的移动”，在天文学中指光谱向红色端的移动。

例句

1. The redshift of distant galaxies helps astronomers understand the universe's expansion.
遥远星系的红移帮助天文学家理解宇宙的扩张。
2. When we observe light from a star, a redshift can indicate that it is moving away from us.
当我们观察一颗星星的光时，红移可能表明它正远离我们。
3. Scientists use redshift to measure how fast galaxies are moving through space.
科学家利用红移来测量星系在宇宙中移动的速度。

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