1. Sullivan said, "Iran has not yet responded" to overtures to renew nuclear talks.
respond to 响应
The best way to respond to a flame is to ignore it.
回应谩骂性电子邮件的最好办法就是置之不理
。2. Washington says Tehran must first return to compliance with the 2015 accord and cut the level of its uranium enrichment.
compliance with 遵守
The UN Security Council has linked any lifting of sanctions to compliance with the ceasefire terms
联合国安全理事会将取消制裁与遵守停火协议挂钩
。