signet ring

例句：

1. 1.The signet ring on his finger is made of gold and has a special engraving.
   他手指上的印章戒指是用金制成的，上面有特殊的雕刻。
2. 2.The ancient emperor wore a signet ring as a symbol of his authority.
   古代皇帝戴了一个印章戒指作为权威的象征。
3. 3.This signet ring was given to him by his grandfather as a gift.
   这个印章戒指是他父亲的祖父送给他的作为礼物。