anthra copper

例句：

1. 1.The ancient city of Troy was famous for its anthra.
   特洛伊古城以其青铜闻名。
2. 2. The ancient Egyptians used anthra to make their jewelry.
   古埃及人用青铜制作他们的珠宝。
3. 3.The ancient Greeks believed that anthra could bring good luck.
   古希腊人相信青铜会带来好运。