[网络] 难度 diffcults: [网络] 难度 ; (diffcult 的复数) diffarreation: [网络] 差异化 diffculty: n.困难;争议;麻烦 diffame: [网络] 有差异 diffdrence: n.差额 下载手机词典可随时随地查词查翻译