Revarnishing
[刷](修描蝕刻版以前)在銅版上重新涂一層調墨油和煤黑的混合物
??? 情景例句
Yes, of course.
可以，當然可以。
He is in conference.
他正在開會。
Would you like me to demonstrate it for you?
要不要我來為你示范一下？