And they act as a windbreak, reducing heating costs in the winter.Scientists say the trees can also improve water quality around farms by removing pollutants from soil and groundwater.是什么意思_And they act as a windbreak, reducing heating costs in the winter.Scientists say the trees can also improve water quality around farms by removing pollutants from soil and groundwater.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句