词根词缀：mechano-, mechan-; mechanico-; machin-

【来源及含义】Greek makhana, machana > Latin machina: machine, device, tool; an apparatus for applying mechanical power to do work; mekhanikos > machynen, decide a course of action, contrive, plot contrivance; a machine or the workings of machines

【同源单词】aeromechanics, agricultural mechanics, backyard mechanic, biomechanical, biomechanics, dentomechanical

词根词缀：phobo-, phob-, -phobia, -phobias, -phobe, -phobiac, -phobist, -phobic, -phobism, -phobous

【来源及含义】Greek: fear, extreme fear of; morbid, excessive, irrational fear, or terror of something or someone; however, sometimes this Greek element also means a strong dislike, dread, or hatred for something or someone

【同源单词】ablutophobia, ablutophobic, acarophobia, acarophobiac, acerbophobia, acerophobia