cyclones ['saɪkloʊnz]

例句:

• The pricipal objective in designing cyclones is to create a vortex.
  设计旋风除尘器的主要目的在于造成涡旋运动.
  
• Middle - latitude cyclones originate at the popar front.
  中纬度 地区的气旋发源于极锋.
  
• For particulates, the favored devices are inertial impactors, cyclones, electrostatic precipitators, and filters.
  分离颗粒常用的装置是惯性冲击器, 旋风分离器, 静电除尘器和过滤器.
  
• So I rushed home and started building small cyclones.
  来自WSJ
• Others form when other types of cyclones acquire tropical characteristics.
  来自BBC
• It is occasionally affected by strong winds associated with tropical cyclones.
  来自BBC