Klydonograph
脉冲电压记录器,脉冲电压拍摄机
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
Where am I supposed to pay the excess train fare?
我应该在哪里补票？
Things couldn't be better.
一切顺利。