Cobalt is a hard metal with a steel gray metallic luster.

钴是具有钢灰色金属光泽的硬质金属。

The woman in cobalt at the door is my wife.

门口那个穿钴蓝色衣服的女人是我的妻子。

The cobalt pigment is suitable for oil painting.

这种钴蓝颜料适合用做油画颜料。

The peak cobalt rodlet temperature doesn't exceed the cobalt melt temperature during these two cases.

在这两种情况下，钴小棒的峰值温度不会超过钴的熔化温度。

Cobalt has also been detected.

另外还测出有钴。

This is cobalt; it has no uranium in it.

这是钴，不含铀。

Oxygen from the air took the place of the cobalt oxide.

空气中的氧气代替了钴氧化物。

This is the basis of the albumin cobalt-binding (ACB) test.

这就是白蛋白钴结合测试（ACB测试）的基础。