Sign changing amplifier
[计] 符号变换放大器
🧩 词语组成解析
v. 交换；兑换；改变（change的ing形式）
🗣️ 情景例句
You can take this job and shove it.
你把这份工作留着你自己干吧。
The first step to virtue is to abstrain from vice.
不作恶是走向美德的第一步。
I see, we'll take another look at your specifications.
哦，我们会再查一直你们的规格说明书。