(CrashCourse Intro plays) The category of amorphous solids includes things that you might expect, like foams and gels and colloids, like mayonnaise, rubber, waxes, and some biological tissues such as fat.

（速成课程简介播放）无定形固体类别包括您可能想到的东西，如泡沫、凝胶和胶体，如蛋黄酱、橡胶、蜡和一些生物组织，如脂肪。