twice

• 副词，表示“两次”或“两倍”。用于表示动作重复两次，或数量、程度是原来的两倍。

An adverb meaning 'two times' or 'on two occasions.' It is used to indicate repetition or multiplication by two, and is common in both British and American English.

1. Two timesA1formal

   Occurring on two occasions or in two instances.

   两次

   • She visited the museum twice last month.
   • He called me twice this morning.
   • I have read that book twice.

   同义词doubletwo timestwofold

2. Double the degreeA2formal

   To a degree that is two times as much or as many.

   两倍

   • This room is twice as large as the other one.
   • She earns twice what I do.
   • The new model is twice as fast as the old one.

   同义词doublytwofold

• 数词，表示数量为二；也可表示顺序中的第二个。

The cardinal numeral representing the quantity of two units; the second positive integer following one; the first even prime number; used to denote a pair or couple in counting and mathematics.

1. Cardinal numeral: the number 2A1formal

   Used to denote a quantity of two persons or things; the second positive integer in the sequence of natural numbers; the first and only even prime number; represents a pair, couple, or dual quantity in counting, mathematics, and everyday usage.

   基数词：数字2

   • I have two brothers.
   • She bought two apples at the market.
   • Two plus two equals four.
   • They arrived in two hours.
   • He scored two goals in the first half.