Have you ever wondered how thick a single strand of your hair is?
你是否好奇过一根发丝有多粗?
It's about 80 micrometers.
发丝直径约 80 微米。
And what I'm holding here is just one-eighteenth of that.
而我手中这根纤维，粗细仅有发丝的十八分之一。
It is light and may look fragile, but once processed, this rod as thick as a chopstick is strong enough to pull two C919 passenger jets.
它质地轻盈，看似纤细脆弱，可经过加工成型后，这根筷子粗细的型材，拉力足以吊起两架 C919 大型客机。
Welcome to the world of carbon fiber!
欢迎走进碳纤维的世界!
This featherweight champion of the materials world can also withstand high temperatures and even corrosion.
这款材料界的轻量化王牌，还具备耐高温、耐腐蚀的特性。
But producing it is anything but simple.
但碳纤维的生产绝非易事。
The manufacturing process is highly complex and requires advanced technology.
其制造工序繁复，需要尖端技术支撑。
China began investing in carbon fiber research in the 1980s.
我国自上世纪 80 年代起布局碳纤维科研工作。
Today, it is capable of large-scale production of high-end carbon fiber.
如今我国已实现高端碳纤维规模化量产。
China is using carbon fiber in all sorts of fields, ranging from high-end ships and railways to clean energy and infrastructure development.
碳纤维已广泛应用于国内诸多领域，涵盖高端船舶、轨道交通、清洁能源与基础设施建设。
Behind me is the Changtai Yangtze River Bridge, the world's longest-span cable-stayed bridge.
我身后是常泰长江大桥，全球跨径最大的斜拉桥。
It's 1,500-tonne carbon fiber composite stay cables were jointly developed by the Yangtze River Delta Carbon Fiber and Composite Innovation Center.
大桥重达 1500 吨的碳纤维复合材料斜拉索，由长三角碳纤维及复合材料技术创新中心联合研发。
If you think this high-end material has nothing to do with your daily life, think again.
若你觉得这种高端材料与日常生活毫无关联，那就大错特错了。
Take this carbon fiber bike for example.
就拿这辆碳纤维自行车举例。
I can lift it with just one hand.
我单手就能轻松拎起它。
Carbon fiber badminton rackets weigh only one third of traditional ones.
碳纤维羽毛球拍重量仅为传统球拍的三分之一。
重点词汇
carbon fiber 碳纤维
micrometer 微米
fragile 脆弱的
corrosion 腐蚀
large-scale production 规模化量产
infrastructure 基础设施
cable-stayed bridge 斜拉桥
composite 复合材料;复合的
featherweight 轻量化的;极轻的
advanced technology 尖端技术
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