A unit used to express relative difference in power or intensity, usually between two acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two levels.
分贝通常表示两个声音信号或电力信号在功率或强度方面的相对差别的单位，相当于两个水平的比率的常用对数的十倍。
I call him and text him with routine questions like what are the best strings to buy and whether I should be learning on an acoustic or an electric guitar.
我给他打电话发短信，问些常规问题，像买什么样的弦乐器最好，我应该学原声吉他还是电吉他。
Sure. Do you want an acoustic one or an electric one?
当然。您想要买木吉他还是电吉他？
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