twice as big; twice the size

• 大一倍

twice as big; twice the size的用法和样例：

例句

1. The mother is nearly twice as old as her son.
   母亲的岁数差不多比她的儿子大一倍。
2. The boy struggled furiously with the man twice his size.
   那男孩与那个子比他大一倍的人拼命搏斗。