exposures

例句:

• A tripod also lets you shoot long exposures at night.
  三脚架也可以让你在晚上长时间曝光。
  
• Larger drawings tend to require two or three exposures to cover them.
  较大的图画往往需要两三张胶片才能拍下来。
  
• How many exposures have you made?
  你拍过几张底片了?
  
• We need to assess exposures and health risks holistically.
  来自SA
• Even low PCBs exposures were linked to the disease.
  来自SA
• Scientists have long known that environmental exposures can cause genetic mutations.
  来自SA