Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford American Dictionary

   filter bed

   • IPA[ˈfiltər ˌbed]

   • n.
     a tank or pond containing a layer of sand or gravel, used for filtering large quantities of liquid.

   • noun: filter bed, plural noun: filter beds

2. • 更多解釋

   filter bed

   • n.
     a tank or pond containing a layer of sand or gravel, used for filtering large quantities of liquid.

   Oxford Dictionary