汀汀20082008
twice英语释义如下：
读音：[twaɪs]
表达意思：两次；两倍，强或好、难的多。
词性：通常在句中作副词，修饰主语或宾语。
固定搭配：think twice about something。
三思而后再决定做某事；twice cooked pork回锅肉。
倍数表达：
1、A + be + 倍数+ as + 计量形容词原级+ as + B。
例如:This bed is three times as big as that one.这张床是那张床的三倍大。
This tree is three t imes as tall as that one.这棵树是那棵树的三倍高。
His father is twice as old as he.他父亲的年纪有他两倍大。
2、A + be + 倍数+ 计量形容词比较级+than + B
例如:The Yangtze River is almost tw ice longerthan the Pearl R iver.长江差不多比珠江长两倍。
This rope is twice longer than that one.这根绳比那根绳长两倍。
This hall is f ive tim es bigger than our classroom.这个大厅比我们的教室大五倍。
3、A + be + 倍数+ the + 计量名词(如size,heigh,t w e igh,t length,w idth等) + of + B
例如：The new ly broadened square is four timesthe size of the previous one.新扩建的广场未扩建时的四倍大。
