世界上最硬的物质是什么之泪呢英语怎么说

The hardest substance in the world is a diamond, which is made of carbon atoms that are tightly packed together. The term "tears" in this context doesn't directly relate to the hardness of a diamond, but if you are referring to the metaphorical phrase "diamonds are forever," it could be interpreted as meaning that diamonds are so durable and long-lasting that they can symbolize something as eternal and unchanging as tears.

世界上最硬的物质是什么之泪呢英语怎么说
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