He returned from each trip with boats filled with expensive things such as gold and jewellery.
每次旅行回来，他的船上都装满了黄金和珠宝等贵重物品。
2
Goldjewellery and other precious metal and stone accessories are popular gifts items during Thanksgiving celebrations.
黄金珠宝等贵重金属和宝石配件在感恩节期间庆祝活动是很受欢迎的。
3
It is normal for white goldjewellery to lose brightness over time, but white gold wedding rings can be maintained with rhodium plating every few years or so.