曹的论文是关于石墨烯的——世界上最薄却最坚硬的物质。
Cao's papers are about graphene (石墨烯), the thinnest and strongest in the world.
然而，与半导体硅不同，石墨烯的价带和导带之间没有带隙。
However, unlike the semiconductor silicon, graphene has no gap between its valence and conduction bands.
这盏灯所发出的光是一个女人从心底深处用一生的爱点烯的。
The lamp was lit up by her lifelong love deep down her heart.
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