The secret of the machine lies in the aerodynamic shape of the one-piece, carbon-fibre frame.
该机器的秘密在于其一体式碳纤维外壳的流线型设计。
《柯林斯英汉双解大词典》
2
After testing hundreds of materials, they baked a piece of coiled cotton thread until it was all carbon.
在测试了数以百计的材料之后，他们把一块缠在一起的棉线烘烤到碳化状态。
3
But that wasn't known until 2004, when Geim and Novoselov, both of of the University of Manchester, UK, first used sticky tape to pull tiny sheets of carbon off a piece of graphite.