ELS的翻译，读音
释义：
[化] 电泳光散射; 电子能量损失能谱; 电子能量损失能谱学
n angular distance above the horizon (especially of a celestial object)
n a railway that is powered by electricity and that runs on a track that is raised above the street level
n angular distance above the horizon (especially of a celestial object)
n a railway that is powered by electricity and that runs on a track that is raised above the street level