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
Oh, there's our table and benches.
哦， 那是我们的桌子和长板凳。
It's essential to choose the right means of transportation.
选择合适的运输方式很重要。
He opened it and saw the man from downstairs.
他打开门，看见楼下人。