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
That's easy.
这很容易。
What did you like best about the movie?
你最喜欢这电影的什么？
Hello. Could I speak to Pat, please?
喂，请帕特听电话好吗？