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

• Mixing drum; Helix angle; Numerical simulation;
  搅拌筒；螺旋升角；数值模拟；
• Any of several inedible snails of the genus Helix; often destructive pests.
  螺旋属中的几种不能食用的蜗牛；是经常具有破坏性的害虫。
• Ten machining origins may be set by straight line, arc, helix and parabola.
  直线、圆弧、螺旋线及抛物线可设定10个加工原点。
• There are five other double helix pairs in the DNA system.
  在dna系统里还有五条其它的双螺旋对。
• 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。
• 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。
• 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。
• 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。
• Effect of Helix Angle Errors on Transmission Error of Double Circle Arc Helical Gears
  双圆弧齿轮的螺旋角误差对其传动误差的影响分析
• Helix formation of an open central space, light from the round glass top layer.
  螺旋的中部形成一个敞开的空间，从玻璃圆层顶采光。