网站首页 汉语 德语 英语
Loose fragmented solid material ejected from a volcano, especially (in later use) such material in the form of powder.
Late 18th century.
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。