helical [ˈhɛlɪkəl, ˈhilɪ-]

例句:

• The polynucleotide chain is helical.
  多核苷酸键是螺旋形的.
  
• In a globular protein, certain portions of the chain are coiled into helical segments.
  在球状蛋白中, 链的某些部分被盘成螺旋状.
  
• Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.
  已经证实病毒有两种对称型, 即立体对称和螺旋对称.
  
• There are drawbacks associated with the use of helical CT scans.
  来自VOA
• For example, a moving charged particle entering a constant magnetic field at the right orientation will result in helical motion.
  来自SA
• To create twisted light, physicists shine a laser through a helical lens or a special diffraction grating.
  来自SA