noun 下载 🔗分享 封锁，禁闭，封城 The confinement of people in their own rooms (e.g. in a school) or cells (in a prison), or to their own homes or areas (e.g. in the case of a city- or nation-wide issue) as a security measure after or amid a disturbance or pandemic, etc. Examples : "During the pandemic, many cities experienced lockdowns to slow the spread of the virus. " 在疫情期间，很多城市都经历了封城，以减缓病毒的传播速度。 government medicine world virus disaster police society action state 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 木筏联 logs 装置, 集材装置 A contrivance to fasten logs together in rafting. Examples : "The lumberjacks secured the logs for the river journey using sturdy lockdowns that kept them tightly bound together. " 伐木工人用坚固的集材装置将原木固定好，这样它们就能牢牢地捆在一起，便于在河上运输。 nautical technical 与AI对话词汇游戏阅读练习
