今年年初，丹麦就禁止在三岁以下儿童使用的食品和饮料容器中使用这种化学品。
Earlier this year, Denmark banned the chemical in food and drink containers for the under-threes.
电池是在密封容器存贮化学反应必需的化学品，但燃料电池却使用外部燃料和大气。
But while batteries store all the chemicals needed for the necessary chemical reactions in a sealed package, fuel cells use an external fuel source and air from the atmosphere.
空容器如果用于存储有毒物质、易燃品或活性化学品，会导致危险。
Empty containers can be hazardous if used to store toxic, flammable, or reactive materials.
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