英语词汇protympanum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protympanum
释义	protympanum tympanumn. 鼓膜，耳膜；鼓室；振动膜 tympanistn. 管弦乐的鼓手 protactiniumn. [化]镤（元素符号Pa，等于protoactini... portmanteaun. 旅行皮箱,混成词
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英汉双解词典包含3607232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。