单词	pyroclast
释义	pyroclast noun py·​ro·​clast ˈpīrōˌklast plural -s : a fragment of detrital volcanic material that has been expelled aerially from a vent Word History Etymology pyr- + -clast
随便看	preexposure prophylaxis preeze pref prefab prefabbed prefabber prefabbest prefabbing prefaber prefabest prefabricate prefabricated prefabricates prefabricating prefabrication prefabrications prefabricator prefabricators prefabs preface prefaced prefacer prefacers prefaces prefacial

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。