degree of difficulty中文,degree of difficulty的意思,degree of difficulty翻译及用法 2026-10-17 06:32 浏览次数 31 degree of difficulty英[diˈɡri: ɔv ˈdifikəlti]美[dɪˈɡri ʌv ˈdɪfɪˌkʌlti]难度系数,难度