单词:alumosilicates
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This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Imagine climbing diamond mountains, or hiking around the graphite shores of a lake of tar. Sound a little sci-fi? Well a new discovery suggests planets like that
Yeah, hi, I wanna talk about, yeah, watching sports, like live or on TV. I mean I like to play sports more than I like to watch sports but sometimes a good game on TV or watching it live can be really good, um, you know, everybody, or many people lik
So how much do we know about what's inside the Earth? Very little. 因此说,我们对地球的内部情况究竟了解多少?很少。 Scientists are generally agreed that the world beneath us is composed of four layers, 科学家们普遍认为,