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.
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.