Coppering
[建] 镀铜
🗣️ 情景例句
A professional writer?
职业写作人员？
The same to you!
也祝你生日快乐！
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。