That red is uranium oxide.

那红的是二氧化铀。

An orange-red to grayish yellow mixture of several uranium oxides, silicates, and salts occurring naturally in the oxidation and hydration of uraninite.

脂铅铀矿一种由桔红到黄灰色的多种铀氧化物、硅酸盐和盐的混和物，在铀矿物的自然。

In the paper, the world uranium resources, its distribution and changes in some countries are introduced by using the information from Red Book (No. 21) published in 2006.

引自2006年出版的第21期“红皮书”中报道的数据，介绍了世界铀资源量及其分布，以及几个主要国家的铀资源量及变化。