difficult
difficulty diffidence diffident diffidently diffluence diffluent difform diffract diffraction diffraction by disk diffraction grating diffractive diffuence diffuse diffused diffused capacitor diffused junction diffused photodevice diffusely diffuseness diffuser diffusibility diffusible diffusion diffusion capacitance diffusion coefficient diffusion conductance diffusion constant diffusion current |
difficult /'difikəlt/
tính từ
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