“background loudspeaker”概念、定义、翻译-科学时代

单词	background loudspeaker
释义	广播影视词汇手册 background loudspeaker 背景（声）扬声器
随便看	commutative law of disjunction commutative law of multiplication commutative Lie group commutative operation commutative operator commutative ring commutative ring commutativity commutativity commutativity commutator commutator commutator commutator commutator commutator motor commutator subgroup commuted annual allowance gratuity commuted gratuity commuted gratuity commuted part of pension commuted pension gratuity commuted pension gratuity commuted value commuted value

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。