lacunar
adjective medical specialized uk/ləˈkjuː.nər/ us/ləˈkjuː.nɚ/
间隙的
relating to the absence of symptoms of a disorder for a short time
陷窝的
relating to an empty space or gap, for example the tiny hollow spaces in bones
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。