silver-gray
adj. 银灰色的
例句与用法：
It was the pub landlord's silver wedding anniversary the other day and he gave all his regular customers a drink on the house.
几天以前是酒店店主结婚25周年纪念日，因此他招待所有的常客免费喝酒。
A silver wedding.
银婚纪念日
The family must come together for the parent silver wedding.
全家必须团聚，以庆祝父母的银婚。
详细释义：
a.
银白色的