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1.The quarantine buoy was used to monitor the ship's health before it could leave port.
隔离浮标被用来在船只可以离开港口之前监测其健康状况。
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2.The quarantine buoy was a crucial tool for preventing the spread of diseases in crowded areas.
隔离浮标是防止疾病在拥挤地区传播的关键工具。
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3.The quarantine buoy was designed to keep ships from entering the harbor until they were fully disinfected.
隔离浮标被设计成让船只在完全消毒之前不能进入港口。