Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford American Dictionary

   fulvic acid

   • IPA[ˌfo͝olvik ˈasəd]

   美式

   • n.
     a highly soluble organic phenol found in humus that chelates elemental mineral nutrients.

   • noun: fulvic acid, plural noun: fulvic acids