Okay, the user wants me to translate "double nature" into Thai. Let me check the rules again. The first rule says to translate all content into Thai. The second rule states that if the content is already in Thai, leave it as is. The third rule is to provide only the translation without any explanations.
So, "double nature" isn't in Thai, so I need to translate it. The direct translation of "double" is "สอง" and "nature" can be "ธรรมชาติ". So combining them, it would be "สองธรรมชาติ". But I should make sure if there's a more common phrase in Thai for this concept. Sometimes, depending on context, "double nature" might be translated differently, like "สองด้าน" if it refers to two aspects. However, without more context, "สองธรรมชาติ" seems accurate. I'll go with that unless there's a standard term I'm missing. Let me confirm with a quick check. Yes, "สองธรรมชาติ" is the direct translation and should be correct here.