Iran is demanding the release of its foreign exchange assets frozen in South Korea.

伊朗要求解除其在韩国被冻结的外汇资产。

South Korean banks have frozen Iran's foreign exchange assets over the past two and a half years, citing fear of U.S. sanctions.

过去两年半以来，韩国银行以担心美国制裁为由，冻结了伊朗的外汇资产。

Exchange risk refers to the uncertainty that the valve of foreign exchange assets or liabilities held by commercial banks in international business will increase or decrease due to exchange rate fluctuations.

外汇风险是指商业银行在国际业务中持有的外汇资产或负债的价值因汇率波动而增加或减少的不确定性。