此外，在过去几周，伊朗里亚尔（rial）兑美元的汇率出现大幅下跌。
Also in the past few weeks , the value of the Iranian rial against the dollar has fallen dramatically .
伊朗官方货币里亚尔兑美元汇率上个月狂跌近40%，至1美元兑1.8万里亚尔左右。
The value of the Iranian rial has collapsed around 40 % to the dollar in the last month to around 1800 rials to $ 1 .
伊朗里亚尔