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
I can't wait!
我简直迫不急待！
Can I fix you a drink?
我给你调饮料好吗？
Though he is young, he knows a lot.
尽管小，他懂得多。