chromosphere

常见例句

After that is the chromosphere, a layer that looks reddish because of all the hydrogen found there.
再之外是色球层，这一层由于存在的氢元素而略呈红色。
Spicules, whose origins are somewhat mysterious, last just 100 seconds, rising from the chromosphere at speeds of 50 to 100 kilometers per second.
日冕的形成机制还不明确，爆发时能持续100秒，从色球层以50到100公里每秒的速度升起。
A star during most of its life is a main-sequence star, which consists of a core, radiative and convective zones, a photosphere, a chromosphere and a corona.
一颗恒星其生命的绝大部分处于主序星阶段，在这一阶段它包含一个核心、辐射区和对流区、光球层、色球层和日冕。