1. What factors are involved in the amount of deformation a glacier undergoes? 冰川的变形量涉及哪些因素？
2. Once it reaches the surface of the soil, the "slug" undergoes another transformation. 一旦接触土壤表面，这条“鼻涕虫”就会发生另一种变形。
3. As prescribed by Dryden, tragedy was supposed to concern a heroic man who is a public figure and who undergoes a fall that evokes pity from the audience. 正如德莱顿所说，悲剧应该是关于一个英雄人物的故事：他是一个公众人物，经历了一场磨难，让观众同情。
4. Near the end of each instar, the larva undergoes a process called apolysis. 每一个龄期快结束时，幼虫会经历老落这一过程。
