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
Is there anyone present who can show
在座可有人能提出
You won't regret it.
你不会后悔的。
She's not feeling well. I told her to stay in bed till tomorrow.
她感觉不好。我叫她在床上躺着，一直到明天。