The action or an act of rolling off; rolling that constitutes completion or finishing in some way.
Early 18th century; earliest use found in Isaac Newton (1642–1727), natural philosopher and mathematician.
英语词典包含464360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。