Speaker-reversal switch
[电] 反向扬声器开关
🧩 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;
reversal
[ri'və:səl]
n. 倒转，颠倒;反复;逆转，反转;[法]撤消;
switch
[swɪtʃ]
n. 开关;转换，转换器;软鞭子;[信]接线台;
vt.& vi. 转变，改变;转换;关闭电流;鞭打;
vt. 转换;挥动（棍棒、鞭子等）;迅速转动;鞭打;
vi. 交换;调换;
🗣️ 情景例句
How old are you, Albert?
几岁啦， Albert？
All disputes arising in the course of the consignment period shall be settled amicably through friendly negotiation.
所有在运输途中引起的纠纷都将通过友好协商，妥善加以解决。
I have always envied your good luck.
我一直羡慕你的运气好。