一种银白色软质单价元素，碱金属属，已知最轻的金属，存在于许多矿物中。

A soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.

youdao

我认为这块花岗岩石中有三种矿物类型，第一种是红色的矿物，第二种矿物是白色的，第三种是黑色的。

I think there are 3 kinds of minerals in this granite. The first one is red, the second is white and the third one is black.

youdao

我认为这块花岗岩石中有三种矿物类型，第一种是红色的矿物，第二种矿物是白色的，第三种是黑色的。

I think there are 3 kinds of minerals in this granite. The first one is red, the second is white and the third one is black.

youdao