2元用英语怎么写

买一杯果汁2元,用单数和复数的英语表达：单数表示：1). A cup of fruit juice is 2 yuan.复数表示：2)。Two yuans are charged for a cup of fruit juice.

回答：一杯果汁：a glass of fruit juice; 两元：two yuan （单复数相同）；买一杯果汁2元：buy / get / purchase a glass of fruit juice for two yuan。

two dollarstwo yuan