Tom is as short as meTom和我一样高
My pen is as new as hers我的钢笔和她的一样新
Sheis as good at palying basketball as her sister 她和她姐姐一样擅长打篮球

be as...as.. 和...一样 【注意】as之中接原型 原级
be not as..as和..不一样