Footswitch
脚踏开关
🗣️ 情景例句
I want to buy a sleeper ticket to New York.
我想买张到纽约的卧铺票。
Have you washed any cars?
你洗车吗？
I know! smiled Lucy. They have steps, and they begin with L!
“我知道！”露茜笑着说，“它们有阶梯，并且这个单词是以L开头的！”