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
Right.
对。
He is studying the ecology of ameba.
他在研究阿米巴
I went downstairs and sat in front of the television pretending to read.
便来到楼下坐在电视机前假装看书。