单词	preumbonal
释义	preumbonal adjective pre·​umbonal ¦prē+ : situated before the umbones of a bivalve shell Word History Etymology pre- + umbonal
随便看	prefreezing prefreshman prefreshmen prefrontal prefrontal cortex prefrontals prefroze prefrozen prefulgence prefulgency prefulgent prefunded prefunding prefunds pregame pregamed pregaming preganglionic pregel pregenial pregeniculate pregenital pregeological pregestation pregestational

英语词典包含469781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。