1882Gardeners' Chron. XVII. 44 The small white petals have three teeth at the top, a callus inside in the middle, and a spinoid tooth on their base.
英语词典包含277258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。