Sandpapering
v. 用砂纸磨光（某物）( sandpaper的现在分词 )
🗣️ 情景例句
I apologize.
我道歉。
Thrift is good revenue.
节约是个好收入。
It is a curious coincidence that the day before his retirement, Mr.Page will have been teaching for a total of forty years.
佩奇先生退休的前一天正好是他执教满40年的日子，这真是奇妙的巧合。