sns
📖 中文释义
- abbr. 交感神经系统（Sympathetic Nervous System）；体干神经系统（Somatic Nervous System）
🧩 词形变化
原形 sn
📘 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