“增音器--放大器”概念、定义、翻译-科学时代

单词	增音器--放大器
释义	机械工程词汇手册 amplifier 放大器；增音器
随便看	business risk business risk business risk business risk business risk business risk business risk exclusion business rivalry business sales tax business sales tax business school business school business scope business scope business scope business second party of tourist service business secret business secret business sector business sector business segment business sense business service business service market business services market

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

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