When reading páo
1. means excavation, ~ pit, ~ soil, ~ root (get to the bottom), ~ peanut;
2. There is the meaning of subtraction and removal. It takes three days, and there are only two days left.
When reading bào
A tool for smoothing wood, a lathe (a tool for planing wood by sharpening an inch-wide embedded steel sheet and inserting it obliquely into the wood planing shell, slightly exposing the cutting edge);
2. It means to use a planer or planer to push and scrape.