清除存储person文档字段(DN、lastname、mail和company name)的临时数据结构。
Clears the temporary data structure that stores the Person document fields (DN, lastname, mail, and company name).
有些国家正在清除其存储的可用于制造核武的高浓缩铀和钚，有些国家正在降低核反应堆扩散的风险，还有一些国家将在会议上签署协议并支持国际原子能机构的工作。
Some are getting rid of their stocks of highly enriched uranium or plutonium, both used in bombs. Others are lowering the risk of proliferation from reactors.
通常在存储前最好不要清除水果和蔬菜外面的叶子，没有这些叶子，食物会变得干燥。
Usually it is better not to remove outer leaves from fruits and vegetables before storage. Without the leaves, food can become dry.
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