含钴的

例句：

1. 1.Cobalt is a rare metal used in many electronic devices.
   钴是一种稀有金属，用于许多电子设备中。
2. 2. The scientist discovered the new element cobalt during his research.
   这位科学家在研究过程中发现了新元素钴。
3. 3.Cobalt is known for its high melting point and strong magnetic properties.
   钴因其高熔点和强磁性而闻名。