Description: metal lumps or ingots, silver grey with metallic lustre, easily oxidizable in air.
说明：金属锭或块，银灰色，有金属光泽，在空气中易氧化。
2
Silver has the lustre of moonlight, it offers light and balance, and the footballer who wears silver boots will bring stability to the team, if they let him.
银色有着月亮的光泽，它提供了光明和平衡，如果受到允许，穿着银靴的球员会给队伍带来稳定。
3
Physical features: crystal bar in silver grey lustre without non-metal inclusion and blue film on the surface or the inner.