词根词缀:-ate (to do)
【来源及含义】Latin: a suffix; to do, to make, to cause, or to act upon; to do something with
【同源单词】abbreviate, abdicate, abdicate, abnegate, accelerative, accentuate
词根词缀:carbo-, carb-
【来源及含义】Latin: coal, charcoal
【同源单词】bicarbonate, carbide, carbohydrate, carbolic, carbon, carbonaceous