1.这三者的区别:http://edu.sina.com.cn/en/2004-04-28/21188.html
2.
1.5吨one point five tons
2.5小时two point five hours
3.一些介词的搭配(http://z.baidu.com/question/27625648.html?si=3)。比如:
she lives at No.105 at kenming road。
1.这三者的区别:http://edu.sina.com.cn/en/2004-04-28/21188.html
2.
1.5吨one point five tons
2.5小时two point five hours
3.一些介词的搭配(http://z.baidu.com/question/27625648.html?si=3)。比如:
she lives at No.105 at kenming road。