hobbyists

例句:

• There are tens of million stamp hobbyists across the country.
  全国有数千万邮票爱好者.
  
• Understandably, therefore, those biotechnology hobbyists who now exist are few in number.
  所以不难理解为什么现在生物技术发烧友还很少.
  
• Aquarium hobbyists in India have reported a highly - unusual Danio - like species on sale.
  在印度的水族爱好者有报告指出,市场出现一种高度不寻常的近似斑马鱼品种.
  
• Most are hobbyists while some are artists.
  来自VOA
• I've seen hobbyists make compressed air bike from junk in their garage.
  来自SA
• Compressed air engines and tanks had been assembled by hobbyists in their garage.
  来自SA