upgradˈable or upgradeˈable adjective
(of a piece of equipment) able to be upgraded
upgradabilˈity or upgradeabilˈity noun
upgradāˈtion noun
英语词典包含305067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。