helix

英 [ˈhiːlɪks]

美 [ˈhiːlɪks]

n.  螺旋(形)

复数：helixes　

IELTS化学

BNC.17577 / COCA.22645

牛津词典

noun

• 螺旋（形）
  a shape like a spiral or a line curved around a cylinder or cone

柯林斯词典

• N-COUNT 螺旋形;螺旋体
  Ahelixis a spiral shape or form.
  1. Coil the fibre into a helix.
     将纤维卷绕成螺旋形。

英英释义

noun

• a structure consisting of something wound in a continuous series of loops
  1. a coil of rope
  Synonym:coilspiralvolutewhorl
• a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
  Synonym:spiral

双语例句

• The DNA molecule is a double helix, resembling a ladder that's been twisted along its length.
  （脱氧核糖核酸）的分子是一种双螺旋结构，酷似一架沿纵向扭曲的梯子。
• Genes are segments of the DNA double helix that encode the information for making proteins.
  基因是一段DNA双股螺旋，其中携带了制造蛋白质的编码资讯。
• Mixing drum; Helix angle; Numerical simulation;
  搅拌筒；螺旋升角；数值模拟；
• Accustomed to midnight, the helix and the cold finger of friction.
  习惯了午夜时分耳轮和指尖冰凉的摩擦。
• The alpha helix is found in muscle protein and keratin.
  α螺旋存在于肌肉蛋白和角蛋白中。
• Deoxyribonucleic acid ( DNA for short) is a kind of germ plasm with the structure of double helix.
  脱氧核糖核酸（简称DNA）是生物体内的一种具有双螺旋结构的遗传物质。
• In other words such a molecule is pictured much as if it were a conducting helix.
  换句话说，这样一个分子的图象很像一条导电的螺旋线。
• It has been discovered to be the double helix building block of all life.
  已经发现是建造所有生命模块的双螺旋体线。
• The triple helix theory come forth after national innovation system.
  三螺旋理论是继国家创新系统之后新出现的理论模型。
• This paper gives a quantitative analysis and comparative research which based on data mining for SCI2000 and Triple Helix Algorithm.
  引荐了这方面的一个基于SCI2000的数据挖掘后，在三重螺旋算法下的定量规范性研究，并进行了相应国别区域比较分析。