twice英語釋義如下：
讀音：[twa?s]
表達意思：兩次；兩倍，強或好、難的多。
詞性：通常在句中作副詞，修飾主語或賓語。
固定搭配：think twice about something。
三思而後再決定做某事；twice cooked pork回鍋肉。
倍數表達：
1、A + be + 倍數+ as + 計量形容詞原級+ as + B。
例如:This bed is three times as big as that one.這張床是那張床的三倍大。
This tree is three t imes as tall as that one.這棵樹是那棵樹的三倍高。
His father is twice as old as he.他父親的年紀有他兩倍大。
2、A + be + 倍數+ 計量形容詞比較級+than + B
例如:The Yangtze River is almost tw ice longerthan the Pearl R iver.長江差不多比珠江長兩倍。
This rope is twice longer than that one.這根繩比那根繩長兩倍。
This hall is f ive tim es bigger than our classroom.這個大廳比我們的教室大五倍。
3、A + be + 倍數+ the + 計量名詞(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.新擴建的廣場未擴建時的四倍大。