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
How can I get in touch with you?
我怎样和你联系呢？
He did it in no time.
他马上把那事给做了。
Let me show you on the map.
让我在地图上指给你看。