helper [ˈhɛlpɚ]

例句:

• The cook is in charge of the kitchen helper.
  这位厨师负责管理厨工.
  
• The plumber's helper passes him tools.
  水暖工的助手把工具递给他.
  
• His research reveals a " helper's high. "
  他的研究揭示了 “ 给予者的快乐 ” 这种说法.
  
• TH stands for T helper type white blood cells.
  来自BBC
• The helper starved to death not long after.
  来自SA
• If a helper cell recognises an antigen, it becomes activated.
  来自ECONOMIST