thickness of material on a surface
"slices of hard-boiled egg on a bed of spinach"
"a good actor communicates on several levels"
"a simile has at least two layers of meaning"
"the mind functions on many strata simultaneously"
"layer the different colored sands"
Layers of plots and traps.
出自： N. Fairfax
The Lord Himself is the layer of this corner stone.
出自： R. Leighton