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
What's her name?
她叫什么名字？
The student has made tremendous progress.
这个学生进步非常快。
I told him the whole story. He laughed. You're great! I'm going to tell everyone.
我把整个事情都告诉了他。他笑了。“你真了不起！我要对大家说