Reverser
n. 反向器, 换向器；换向开关；倒转机构换向开关
✅ 同义词
🗣️ 情景例句
Thank you. I don't believe this.
谢谢。我简直不敢相信。
I ought to go now.
我应该现在走。
Check the prices before you decide whether to buy one.
先把价格核对一下，再决定该不该买。