bloodstone burnisher

例句：

1. 1. The jeweler uses a bloodstone polisher to clean and shine the diamonds.
   这位珠宝商使用血石抛光器来清洁和打磨钻石。
2. 2. The antique dealer has collected several bloodstone polishers from different eras.
   古董商收藏了来自不同时代的几个血石抛光器。
3. 3. The craftsman used a bloodstone polisher to restore the old wooden furniture.
   工匠使用血石抛光器来修复旧木家具。