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
The Jones next door just bought a yacht, we might have to see about financing one ourselves.
隔壁的琼斯一家刚买了游艇，我们也该弄一条。
Hey, man, good to see you.
嗨，幸会。
That's why we were getting anxious about you.
所以我们才为你们担心。