网站首页 汉语 德语 英语
A fine-grained limestone found in north central Kansas and used locally for making fence posts, lintels, etc.
1950s. From post + rock.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。