spiracle造句

• The transverse nerves pass to the spiracles of their segment .
  横神经通往同体节的气门。
• The spiracles are guarded by bristles which aid in filtering dust and other foreign matter from the air before it enters the tracheae .
  气门由刚毛保护，这种叫毛在空气进入气门以前，帮助过滤空气中的灰尘和其他异物。
• Closing apparatus of a spiracle
  气门闭器