Early 19th century; earliest use found in Charles Robert Maturin (1780–1824), writer and Church of England clergyman. From rock + based.
1960s; earliest use found in The New York Times. From rock + based.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。