aeration 

55216
单词释义
n.充(通,换,透,进,吹,掺,曝)气;通(鼓,吹,透)风,松砂(散),分解
单词例句
"Grape groves need to be continuously shovelled to provide the necessary soil aeration and facilitate water absorption of the roots," a task which is very arduous to do with traditional plowing tools, he explained.
Rincker's farm has aeration fans on the storage bins and "we can monitor conditions", he said.
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