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

• 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。
• Coil the fibre into a helix.
  将纤维卷绕成螺旋形。
• This paper focuses on the optimal pitch arrangement in double-side heating once-through steam generator with helix tube inside.
  本文主要研究了带内螺旋缠绕管的管套管双面加热直流蒸汽发生器元件中沸腾段内螺旋管螺距设置的优化问题。
• 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。
• Some biological molecules have the form of a helix.
  有些生物分子呈螺旋状。
• 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。
• 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。
• 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。
• 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 formulation of the helix angle of the device with tapered thread is deduced.
  推导了锥螺纹的螺旋升角计算公式。