health,healthy,healthily的区别及用法答:首先,你要知道英语词性(Parts of speech)共有八种。1.名词(Noun)例如:Apple, Mother, Computer...2.形容词(Adjective)例如:happy, beautuful, amazing...3.副词(Adverb)例如:happily, smoothly, quickly...4.动词(Verb)例如:run, smile, sing...5.代名词(Pronoun)例如:He, She,...