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
Yes, let me try. Oh, it's difficult. Will you show me how to do it?
好吧，让我试试吧！哦，真不容易。能教我怎么用吗？
How long will you be in?
你将进去多久？
How extraordinary! I said. I think someone has been carving animals.
“多么神奇啊！”我说，“我想有人一直在刻这些动物。”