aeration          
noun [ U ] uk/eəˈreɪ.ʃən/ us/erˈeɪ.ʃən/
 使暴露于空气中;使透气
a process that allows air to act on something
  Garden worms help with soil drainage and aeration. 花园蠕虫帮助土壤排水和透气。 
 Digging helps the aeration of the soil. 挖掘有助于土壤透气。 
  向液体注入气体
the addition of a gas to a liquid
  The waterfall increases aeration of the pond water. 瀑布增加了池塘水的透气性。 
 They serve a coffee parfait with perfect aeration. 他们的咖啡冰淇淋果冻含气泡量完美。 
 See: aerate
 - More examples
 - Keeping the rice fields damp but not flooded improved soil aeration.
 - If you beat the batter well to increase aeration, it will result in a light, moist cake.
 - Large, open areas are expected to improve aeration of the lake water.
 - Your pond may need a fountain, waterfall, or other aeration device.