Okay, the user wants me to translate "ant mound" into Simplified Chinese. Let me think. The direct translation would be "蚂蚁的土堆" which is "ant's mound." But maybe there's a more common term. Wait, in Chinese, "ant mound" is commonly referred to as "蚁丘" (yǐ qiū). That's the standard term. Let me confirm. Yes, "蚁丘" is the correct translation. The user specified to translate into Simplified Chinese, and since the original is in English, I need to provide the translation. No need to change anything else. Just output "蚁丘".