alluvium /ә'lu:viәm/ 📖 中文释义 n. 冲积层, 淤积层[机] 冲积层 🔗 释义中的汉语词 冲积层 📘 English Definition(英文释义) n clay or silt or gravel carried by rushing streams and deposited where the stream slows down ← alluvious A 字母词表 alluviums →