词性的转换答:名词变+less形容词表没有。不能home-homeless,help-helpless,care-careless,joy-joyless,stain-stainless,wire-wireless,spot-spotless meaning-meaningless,thank-thankless,end-endless,fruit-fruitless,rest-restless,tired-tiredless,brain-brainless.名词+al变形容词表...的tradition-traditional,nature-natur...