poor的比較級和最高級分別是什么

　　例句：

　　She may be successful now, but she has known what it is like to be poor.

　　她現(xiàn)在可能成功了，但她嘗過貧窮的'滋味。

　　Do you have any idea what it means to be poor?

　　你知不知道貧窮意味著什么？

　　Don't strain your eyes by reading in poor light.

　　別在光線差的地方看書把眼睛給傷了。