columbium shape

例句：

1. 1. The molecule has a cobalt shape, which is characteristic of many metals.
   这个分子具有钴形状，这是许多金属的特征。
2. 2. The new car has a sleek cobalt-blue color scheme.
   这款新车拥有光滑的钴蓝色配色方案。
3. 3. The crystals have a distinctive cobalt blue hue that catches the eye.
   这些晶体具有独特的钴蓝色调，引人注目。