一、How fun…和What fun…的用法区别 二、look up和refer to的用法区别 三、go up和rise up和raise和r...一、How fun…和What fun…的用法区别二、look up和refer to的用法区别三、go up和rise up和raise和rise的区

一、How fun…和What fun…的用法区别 二、look up和refer to的用法区别 三、go up和rise up和raise和r...
一、How fun…和What fun…的用法区别
二、look up和refer to的用法区别
三、go up和rise up和raise和rise的区别

二、look up和refer to都有查阅之意,但look up与word\phrase连用,而refer to与dictionary\book连用.