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

• From the STMimages, we could see clearly the helix pitch and helix diameter of helix structure.
  由STM图象中我们能清晰地观察到螺旋结构的螺距与螺径。
• 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。
• 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。
• Mixing drum; Helix angle; Numerical simulation;
  搅拌筒；螺旋升角；数值模拟；
• Some biological molecules have the form of a helix.
  有些生物分子呈螺旋状。
• They find a third, separated strand in the center of the double helix.
  他们发现了第三条，在双螺旋体中心的单独条。
• The collagen in the serosa is made up of a triple helix molecular structure.
  绒毛膜上的胶原组成了三角形的落选分子结构。
• 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。
• 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。