Situation number two is I take the same number, and I make a row. They are all in one row.

状态二我将采用同样的数字，并且我做了一个箭头，它们全部都在一列上。

麻省理工公开课 - 固态化学导论课程节选

Point number two is that ionic solids at high temperatures make ionic liquids.

第二点是离子固体,在高温下会变成离子液体。

麻省理工公开课 - 固态化学导论课程节选