Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.

举个例子,这个例子表明金属元素，第一族和第二族，与一些非金属元素,在这里，第五族，第六族，和第七族。

麻省理工公开课 - 固态化学导论课程节选

Any one of these different elements could actually produce a photoelectron spectroscopy spectrum that has five distinct lines.

其中任何一种元素,都可能产生,有五条分立谱线的光电子能谱。

麻省理工公开课 - 化学原理课程节选