4 sentences

1. 毛毛虫最终会蜕变成蝴蝶。

   máo​mao​chóng zuì​zhōng huì tuì​biàn chéng hú​dié.

   Caterpillars eventually turn into butterflies.

   Source: Dong Chinese Dictionary

2. 她完成了从普通员工到资深经理的华丽蜕变。

   tā wán​chéng le cóng pǔ​tōng yuán​gōng dào zī​shēn jīng​lǐ de huá​lì tuì​biàn.

   She completed a magnificent transformation from a regular employee to a senior manager.

   Source: Dong Chinese Dictionary

3. 由于经不起金钱的诱惑，他逐渐蜕变成了一个贪官。

   yóu​yú jīng​bu​qǐ jīn​qián de yòu​huò, tā zhú​jiàn tuì​biàn chéng le yī gè tān​guān.

   Unable to resist the temptation of money, he gradually transformed into a corrupt official.

   Source: Dong Chinese Dictionary

4. 科学家通过观察同位素的蜕变来确定岩石的年代。

   kē​xué​jiā tōng​guò guān​chá tóng​wèi​sù de tuì​biàn lái què​dìng yán​shí de nián​dài.

   Scientists determine the age of rocks by observing the radioactive decay of isotopes.

   Source: Dong Chinese Dictionary