use是动词
good是形容词
waste可以是动词或名词
fun可以是名词或形容词
shame是名词
It is used to do sth
it is good to do sth
it is a waste to do sth
it is fun to do sth
It is a shame to do sth
不知道unseless是什么,拼错了吧
use,good,waste,fun,shame,unseless这些名词和一般名词的区别
use是动词
good是形容词
waste可以是动词或名词
fun可以是名词或形容词
shame是名词
It is used to do sth
it is good to do sth
it is a waste to do sth
it is fun to do sth
It is a shame to do sth
不知道unseless是什么,拼错了吧