英语词汇hand-held speech security unit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	hand-held speech security unit
释义	hand-held speech security unit 简明释义手持式话密机网络释义 1 ?手持式话密机 ... hand-held sinker向下打眼的手持凿岩机 hand-held speech security unit手持式话密机 hand-held steadyscope手持稳像看远镜 ...
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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。