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 are some places of interest to visit there?
那儿有什么有趣的地方可以参观的吗？
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
And then, when they were dead, the carnivores, like the sabre-toothed cats and the giant wolves, came out to feed and suffered exactly the same fate.
大象死后，一些食肉动物，如剑齿虎和大灰狼就来吃大象，结果遭到了同样的命运。