The dollar is the unit of money used in the USA, Canada, Australia, and some other countries. It is represented by the symbol $, the dollar sign. A dollar is divided into one hundred smaller units called cents.
双语例句
例：
She gets paid seven dollars an hour.
她的报酬是每小时7元。
2.?[SING 单数型名词] 美元
The dollar is also used to refer to the American currency system.
双语例句
例：
In early trading in Tokyo, the dollar fell sharply against the yen.