aerate          
verb [ T ] uk/eəˈreɪt/ us/erˈeɪt/
 (尤指向饮料中)充入气体;使气体注于(液体)
to add a gas to liquid, especially a drink
  aerated water 汽水 
  使暴露于空气中;使透气
to allow air to act on something
  Earthworms help to aerate the soil. 蚯蚓帮助土壤疏松透气。 
 aerated soil 透气性好的土壤