propagator [ˈprɑ:pəgeɪtə(r)]

例句:

• The Security Descriptor Propagator has been notified of waiting propagation events.
  安全描述符传播程序已经被通知要等待传播事件.
  
• Yang Yu lin was a famous bourgeois democratic revolutionist and propagator.
  杨毓麟是辛亥革命时期杰出的资产阶级民主革命家、宣传家.
  
• Root the cuttings in a heated propagator.
  把插条放在加热的培育箱里生根。
  
• Sow the seed around the third week of February in a propagator to benefit from juicy tomatoes from July through to October.
  来自BBC