urgent relief的用法和样例：
例句
- In response to the President's appeal, Congress approved the Federal Emergency Relief Act.
国会响应总统呼吁，通过联邦紧急救济法。 - The UN Office for the Coordination of Humanitarian Affairs, headed by the Emergency Relief Coordinator, coordinates all UN emergency relief.
联合国人道主义事务协调厅在紧急救济协调员领导下，负责协调联合国的所有紧急救济工作。
