The researchers made artificial wings from a thin film of polymer, fabricating them with plastic veins mimicking those of an actual swallowtail butterfly.
研究者们用薄膜聚合物做成了人工翅膀，用加上塑料制的血管，使它就像是一只真正的燕尾蝶。
2
The company says they've perfected a way of printing polymer transistors onto flexible plastic displays.
公司称他们已发现一种完美的方法，在塑胶显示板上打印薄膜电晶体。
3
Extrusion is one of the basic methods in polymer processing. More than 40% of plastic products are produced through extrusion.