在这种情况下，产品的属性是一个感叹词的一个名词。
In this case, the product's properties are an interjection and a noun.
Ok一词的起源一直没有定论，这也成为学术界多年来为之热议的话题。作为一个感叹词，ok这个英文词汇已经成为世界性的用语。
The origins of OK are not known with certainty, and have been the subject of much discussion and academic interest over the years.
那不过是一个表示惊讶的感叹词。
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