名词
中文翻译：密封盒
同义词：
['sealed box', 'sealed container', 'sealed packet', 'sealed block']
例句：
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1. This is theonly way to keep our food fresh during transport.
这是保持我们在运输过程中食物新鲜的唯一方法。
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2. The seal box was carefully inspected before being opened.
在打开之前，这个密封盒被仔细检查过了。
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3.The seal box contains all the necessary tools for the job.
这个密封盒里装有完成这项工作所需的所有工具。