filling
n
1 [C] (process of putting in) material used to fill a hole in a tooth (补牙洞的)填料; 补牙
I had to have two fillings at the dentist's today. 我今天要请牙医给我补两颗牙.
2 [C, U] food put between slices of bread to make a sandwich, or between layers of cake, etc 馅
a sponge cake with jam filling 果酱馅饼.
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.