I had a sort of brain tumour called the colloid cyst.

我得了一种叫做胶质囊肿的脑瘤。

(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.

（《 CrashCourse 开场）非晶固包括你可的东西，比如泡沫、凝胶和胶，像蛋黄酱、橡胶、蜡以及一些生物组织如脂肪。