同学你好，该知识点来自沪江网校《美国生活文化ABC【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好

preservation核心意思是防腐，一般搭配食物或者历史之类的。

而conservation核心意思是自然保护，一般搭配环境或者物种之类的。

reserve
保留;留出;预留

If something is reserved for a particular person or purpose, it is kept specially for that person or purpose.

A double room with a balcony overlooking the sea had been reserved for him...
特地为他预留了一间带阳台的海景双人房。

resort
诉诸;采取
例如:
His punishing work schedule had made him resort to drugs...
异常紧张的工作安排使他开始吸毒。

祝同学学习愉快！