handmaiden [ˈhændmeɪdn]

例句:

• The fear is that science could become the handmaiden of industry.
  人们担心的是科学会成为工业的仆人。
  
• Mathematics was once dubbed the handmaiden of the sciences.
  数学曾一度被视为各门科学的基础。
  
• His historical sweep made necessity appear as the handmaiden of the statesman's perception.
  他精通历史,好象历史必然性都变成了可供这位远见卓识的政治家差遣的女仆.