currency

money, cash, coin, currency

这些名词均有“(金)钱”之意。
money: 钱的通称，可以是硬币可以是纸币，也可指用作货币的其它物品。
cash: 特指立即可以兑现的现金或现款。
coin: 指铸造的硬币。
currency: 指在流通中的货币，是全部流通中通货的总称，也可指纸币。

名词 currency:

1. the metal or paper medium of exchange that is presently used
2. general acceptance or use
3. a current state of general acceptance and use
   同义词：vogue
4. the property of belonging to the present time
   同义词：currentness, up-to-dateness

1. There are currency restrictions on the sums allowed for foreign travel.
   到国外旅行允许携带的款额有所限制。
2. The president proclaimed that a new currency would be issued.
   总统宣布将发行新货币。
3. He was arrested for smuggling out currency.
   他因携带货币出境而被捕。
4. The old currency will have been phased out by 1990.
   旧币分阶段至1990年将全部禁止流通。
5. Our currency will not be depreciated.
   我们的货币不会贬值。
6. Government has decreed a paper currency.
   政府颁布了发行一种纸币的法令。
7. Most countries have a decimal currency.
   大多数国家使用十进制货币。
8. The word has attained general currency.
   这个词已经通用起来了。

cur.ren.cy

n.（名词）
【复数】 cur.ren.cies 缩写 cur.
Money in any form when in actual use as a medium of exchange, especially circulating paper money.
货币：任一形式的钱币，在实际使用时作为交换媒介，尤指流通纸币
Transmission from person to person as a medium of exchange; circulation:
流通：作为交换媒介从一人传送到另一人；流通：
例句：
coins now in currency.
现在流通的货币

General acceptance or use; prevalence:
通用：普遍接受或使用；流行：
例句：
the currency of a slang term.
一个俚语词语的通行

来源：
From Middle English curraunt [in circulation] * see current
源自 中古英语 curraunt [在流通中] *参见 current