例句
英语六级真题
  • But all these concepts are massively expensive, require safety certification standards for road and air, need dual controls, involve complex folding wings and propellers,and have to be flown from air-strips.
    2019年6月六级真题(第二套)阅读 Section A
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. the process whereby a protein molecule assumes its intricate three-dimensional shape;
    "understanding protein folding is the next step in deciphering the genetic code"
    2. the act of folding;
    "he gave the napkins a double fold"
  • Adjective
    1. capable of being folded up and stored;
    "a foldaway bed"
行业词典
  • 医学: 折叠;