为了保护参加核峰会的47个国家的领导人，美国首都华盛顿采取安全措施，一些地方禁止行人车辆通过。
Areas of Washington have been shut down due to security measures designed to protect leaders from 47 nations gathered for the nuclear summit.
为了保护参加核峰会的47个国家的领导人，美国首都华盛顿采取安全措施，一些地方禁止行人车辆通过。
Areas of Washington have been shut down due to security measures designed to protect leaders from 47 nations gathered for the nuclear summit.
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