ruggedization

例句：

1. 1.The old car was ruggedized by years of use.
   这辆旧车因年久失修而变得很粗糙。
2. 2.The landscape has been ruggedized by the construction of the highway.
   由于高速公路的建设，这片风景已经变得非常粗糙。
3. 3.The ruggedization process is necessary for the survival of the species.
   为了物种的生存，必须经历粗糙化过程。