动词形式 :prefer modernize widen strengthen threaten encourage terrorize enable graduate succeed serve describe
endanger enlarge decide inform prepare represent
形容词形式 :believable imaginable violent responsible necessary correct important native reasonable hopeful scientific medical honest environmental popular forgetful chemical
nutritious
好像没有动词词根
digest
的形容词派生是digestive
消化的。或digestible
易消化的
concentrate
的形容词派生是
concentrated
浓缩的