汇率的英文：
exchange rate

参考例句：

Selling rate
卖出汇率

The exchange rate between the Hong Kong dollar and the RMB is very stable.
香港元与人民币之间的汇率一直比较稳定。

Are you afraid of losing money due to exchange rate fluctuations?
您是不是怕由于汇率浮动而吃亏？

The company was precipitated into ruin when the exchange rate dropped.
汇率下降时,公司一下子破了产。

An overly high peso exchange rate stimulated imports, but hindered exports
比索汇率过高，剌激了进口，而抑制了出口。

A majority of monetary officials is still striving to restore greater fixity to exchange rates.
大多数金融官员仍力图使汇率恢复较大的固定性。

We found that monetary policy was more powerful with flexible exchange rates
我们发现，在变动汇率下货币政策更有效。

You'd better lock in the best exchange rates and buy foreign currency before you leave.
为求合算，出国前就要抓住最好汇率把外币换好。

To manipulate exchange rate
操纵汇率

Floor rate of exchange: The minimum rate of exchange.
最低汇率

exchange是什么意思：
n. 交换，互换，交流；兑换，汇率；交易所
v. 交换，互换；交流；兑换

regional exchange
美国在纽约以外地区的证券交易所

This exchange takes place in the foreign exchange market.
汇兑是在外汇交易市场上进行的。

He gambles on the stock exchange.
他从事股票投机。

Sometimes we exchange with words.
有时我们相互交谈几句。

I'll exchange it for a token.
我给你换个专用辅币。

rate是什么意思：
n. 比率，速率；费用
v. 评估；认为；划分等级；值得

cumulative rating
累积收听率

These bonds have an AAA rating.
这些债券的信用度是3A级的。

To rate too low;underestimate.
低估对…估价太低；低估

A Lump Sum Rate of ...
费用合计…

To reduce in rank or rating;demote.
使降级降低级别或降级；使人降级