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
You remember?
你还记得吗？
It was not very wise of you to sell the property.
你把物业卖了可不是办法。
Keep in touch.
保持联系。