词根词缀:dermo-, derm-, derma-, dermato-, dermat-, -derm, -derma, -dermatic, -dermatous, -dermis, -dermal, -dermic, -dermoid, -dermatoid
【来源及含义】Greek: skin
【同源单词】acarine dermatosis, acarodermatitis, achromoderma, achromodermia, acrodermatitis, acrodermatosis
词根词缀:radio-, radi-, rad-
【来源及含义】Latin: ray, radiating [the Latin word for the spokes of a wheel is radius]; spoke, staff, rod
【同源单词】involuntary euthanasia, irradiance, irradiant, irradiate, radial, radian