1Coal Mining rare a wall of unmined coal separating two panels in a mine.
2Building a wall in a building that does not bear any structural weight.
Mid 19th century; earliest use found in Andrew Ure (1778–1857), chemist.
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。