它颜色的变化很可能是由于温度不同和组成云层的水滴大小有差异的缘故。
Their colour variations are probably due to differences in temperature and in the size of water droplets that make up the clouds.
除了大小和颜色，我还是很喜欢的，它看起来小了点而且颜色太淡了。
I like it very much, except for the size and the colour. It looks a little bit small and the colour is too light.
明金是可见金的一种，它具有颜色多样，形态复杂和大小不一等特点。
The exposed gold is a kind of gold in the world. It has the characteristics of varied colours, complicated shape, different pellets etc.
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