dollar

1.[c]元（美国、加拿大、澳大利亚等国的货币单位）the unit of money in the US, Canada, Australia and several other countries

2.[c]一元（纸币或硬币）a banknote or coin worth one dollar

3.[sing]美元（币值）the value of the US dollar compared with the value of the money of other countries

1.美元

2.【物】元(原子堆的反应性单位,指缓发中子产生的反应性〕

3.金钱,财富

4.元

5.一元金币;〈英俚〉五先令银币

1.the unit of money used in the U.S. and in several other countries such as Canada and Australia. Its symbol is $; a banknote or coin worth a dollar

2.used for talking about the value of U.S. money, especially in comparison with that of other countries; used for talking about U.S. economic power