/ˈdɒlə(r) ||; ˈdɑlɚ/noun1 [C] (symbol $) a unit of money in some countries, for example the US, Canada and Australia 元（美国、加拿大、澳大利亚等国家的货币单位） There are 100 cents in a dollar. 一元相当于100分。
2 [C] a note or coin that is worth one dollar 一元纸币或硬币
3 the dollar [sing] the value of the US dollar on international money markets 美元（国际货币市场上的美元币值）