onionskin

1. Study on the Extraction and Purification Processing of Total Flavones in Onionskin;
   本文对洋葱皮萃取物中黄酮类化合物的成分及含量进行了分析研究。
2. The cross section of carbon fiber was onionskin and onionskin-radiation.
   通过扫描电镜（SEM）观察，炭纤维的横截面呈洋葱皮及洋葱皮-辐射混合型结构。

noun

1. a thin strong lightweight translucent paper used especially for making carbon copies

   Synonym:    flimsy