dig in

掘土以参进(肥料等)

different, differential, differential calculus, differentiate, differentiated, differentiation, differently, difficult, difficulty, diffidence, diffident, diffidently, diffract, diffraction, diffuse, diffusely, diffuseness, diffusion, dig, dig down, dig out, dig up, digest, digestibility, digestible, digestion, digestive, digestive biscuit (also digestive), digestive system, digger, digging, digit, digital, dignified, dignify, dignitary, dignity, digraph, digress, digression,