Speaker efficiency
[电] 扬声器效率
🧩 词语组成解析
speaker
['spikɚ]
n. 说话者;演讲者，发言人;讲某种语言的人;扬声器;
🗣️ 情景例句
Stay right where you are.
站住别动！
Oh, it's dazzling.
噢，我眼睛发花。
It was necessary first to arrive at that degree of sophistication where we no longer set our own belief against ourneighbour's superstition.
不用自己的信仰去反对我们邻居的迷信。