brain coral

例句：

1. 1.The brain coral is a rare and precious gemstone.
   脑珊瑚是一种稀有而珍贵的宝石。
2. 2.The brain coral has been used in traditional Chinese medicine for centuries.
   脑珊瑚在中国传统医学中被使用了几个世纪。
3. 3.The brain coral is known for its beautiful color and unique texture.
   脑珊瑚以其美丽的颜色和独特的质地而闻名。