Matter exists in three states: solid, liquid and gas.

物质以三种形态存在：固态、液态和气态。

《新英汉大辞典》

Schechtman discovered what are called quasicrystals, a finding that fundamentally altered the understanding of solid matter.

因为他发现了“准晶体”，这一发现从根本上改变了我们对固体物质的认知。

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This solid matter is then collected.

然后收集到了这种固体物质。

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