[網絡] 發散 diffowl: [網絡] 難題 diffoule: [網絡] 彌漫 diffr: [=diffraction]衍射,繞射 difforse: [網絡] 彌漫 diffract-gage: 繞射規 下載手機詞典可隨時隨地查詞查翻譯