SN
📖 中文释义
- [计] 顺序号
- [医] 锡(50号元素)
🧩 词形变化
复数 sns
📘 English Definition（英文释义）
- n a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide