an injectable form of benzodiazepine (trade name Versed) useful for sedation and for reducing pain during uncomfortable medical procedures
同义词：midazolam
thoroughly acquainted through study or experience
同义词：intimate??/??knowledgeable
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。