[] ( dol., $) the unit of money in the US, Canada, Australia and several other countries元（美国、加拿大、澳大利亚等国的货币单位）◆All prices are quoted in dollars.所有价格都以元标出。◆converting dollars into pesos将美元兑换成比索◆an investment worth millions of dollars价值数百万元的投资◆a multi-million dollar investment好几百万元的投资➡buck (1) the dollar [] the value of the US dollar compared with the value of the money of other countries（相对于其他国家货币价值的）美元币值◆The dollar closed two cents down.收盘时美元下跌了两分。◆The strong dollar has made US goods expensive overseas.强劲的美元使美国商品在海外变得十分昂贵。◆The currency fell to a two-week low against(= compared to) the dollar.这一货币兑美元的币值下跌到两周来的最低点。◆an exchange rate of two pesos to the dollar汇率为两比索兑换一美元➡greenback [] dollars that are spent on a particular activity or come from a particular source资金◆They spent their research dollars (= money intended to be spent on research) in other areas of the business.他们已将研究经费用于其他业务领域。◆competing for investment dollars争取获得投资资金 [] a banknote or coin worth one dollar一元纸币；一元硬币◆Do you have a dollar?你有一元吗？◆a dollar bill一元钞票➡ see note at increase benefit dollar top dollar