pollen [ˈpɑ:lən]

例句:

• You can buy a formulation containing royal jelly, pollen and vitamin C.
  可以买一种含蜂王浆、花粉和维生素C的配方产品。
  
• Avoid trips to the country while the pollen count is high.
  花粉计数高时，尽量避免去乡村旅行。
  
• Experts believe pollen-dependent bees arose from carnivorous wasp ancestors.
  来自BBC
• As the day goes on, the pollen dries up and becomes hard.
  日子一天天过去，花粉干结成了硬块。
  
• The earliest known fossils include pollen and fruits.
  来自BBC
• No silver birch or tree pollen immunotherapy is currently available.
  来自BBC