And this black key is for my jewel casket .
而这支黑色的是我珠宝盒的钥匙。
They bur their treasure under the grind . using the keys that Bluebeard had left to show them the tower , the treasure chests , and the jewel casket .
他们把财宝埋在地下。使用蓝胡子留下的钥匙让他们参观高塔、宝藏柜和珠宝盒。
jewel casket