Revers voltage
[电] 逆向电压
🧩 词语组成解析
n. 翻领
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
How wide is this bridge?
这座桥有多宽？
The book you ask for is sold out.
你要的那本书已经售完了。