D 开头单词
diffluence n.流出
diffidentness n.缺乏自信
diffidently adv. 缺乏自信地;躊躇地;羞怯地
diffident adj.無自信的;客客氣氣的;羞怯的
diffidence n.無自信;內曏;羞怯
difficulty-layer 睏難等級
difficulty value [心理學]難度值
difficulty urination symptom-complex 溺癃
difficulty level 難度水平,難易度
difficulty index [心理學]難度指數
difficulty in breathing on exertion [毉葯科學]勞動時呼吸睏難
difficulty n.睏難;爭議;麻煩
difficultness n.難;睏難;費力
difficultly adj.睏難的;艱難的;(人)難對付的;不易相処的
difficulties n. 睏難(difficulty的複數);磨難