rougher

['rʌfə]

n. 粗轧机座, 粗切机

例句与用法：

The road became narrower and rougher and eventually petered out.

这条路越来越窄，越来越难走，最后终于消失了。

词形变化：

动词过去式: roughened | 动词过去分词: roughened | 动词现在分词: roughening | 动词第三人称单数: roughens |