1882Sladen in Jrnl. Linn. Soc. XVI. 194 The first or most adoral transverse ambulacral combs of two neighbouring rays touch one another at their bases.
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。