1854Orr's Circ. Sc. Org. Nat. I. 73 The three..arteries..come off azygously—that is..not in pairs, but singly.
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。