calcichordates

例句：

1. 1. These calcichordates are known for their high calcium content.
   这些钙质鱼因其高钙含量而闻名。
2. 2. The diet of calcichordates is rich in essential nutrients.
   钙质鱼的饮食富含必需营养素。
3. 3.Researchers have found that calcichordates can help prevent bone loss in older adults.
   研究人员发现，钙质鱼可以帮助预防老年人的骨质流失。