Sign reverser
[计] 符号变换器
🧩 词语组成解析
n. 反向器, 换向器；换向开关；倒转机构换向开关
🗣️ 情景例句
Richard tells me you're a doctor.
Richard告诉我您是医生。
It's a beautiful country with many large rivers.
这个国家很美，它有很多大河。
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。