"城市封控" 的英文称为 "city lockdown"。
来源：这个术语在 COVID-19 疫情期间广泛使用，用于描述为阻止病毒传播而采取的限制措施。
英文例句：
"The city has imposed a lockdown in an effort to slow the spread of the virus."
"Residents are advised to stay home during the city's lockdown period."
中文翻译：
"城市已经实施了封锁措施，以减缓病毒的传播。"
"居民被建议在城市封锁期间呆在家里。"