dad［E］/dn. ［C］爸：He lives with his dad and mom. 他和他爸媽住一起。
daily /adj. 每日的；日常的；-adv. 每天；-n. ［C］日報：Do you finish your daily homework in time? 你按時完成你每日的作業嗎？/What do you do in your daily life? 你日常生活中做什麼？/They practice their English daily. 他們每天都練習英語。/His father reads the People's Daily every day. 他父親每天都讀《人民日報》。
dance［E］/n. ［C］［U］跳舞；（一支）舞；舞會；舞曲；舞蹈；-v. 跳舞：Shall we join the dance? 我們參加跳舞好嗎？/He asked me to a dance. 他邀請我跳支舞。/University students can go to the school dance at the weekend. 大學生可以在周末去學校舞會。/The musicians played a dance. 音樂家們演奏了一支舞曲。/His whole life has been given to the study of dance. 他的整個人生都獻給了舞蹈研究。/People dance to the music. 人們隨著音樂跳舞。
danger /n. ［U］［C］危險；危害；威脅：Many of the world's animals and plants are in danger. 世界上許多動物和植物處於危險之中。/Smoking is a danger to health. 吸煙危害健康。/If a bear is in danger，it will attack people. 如果熊受到威脅，它會攻擊人。
in danger 在危險中/out of danger 脫險
dangerous /adj. 危險的：Sports such as football and basketball are _disibledevent=dialogue） n. ［C］（兩人間）對話：Students are often asked to read and practice English dialogues in class. 學生常常被要求在班上閱讀與練習英語對話。/Some boxes in computer programs are called dialogue boxes. 計算機程序中的一些框被稱為對話框。
diary /n. ［C］日記：She writes her daily activities in her diary. 她把她的日常活動寫在日記中。
dictionary /n. ［C］詞典：Many students have an English-Chinese dictionary. 許多學生有英漢詞典。
die /v. 死；死亡；喪生；枯萎：Many people die from smoking every year. 每年許多人死於吸煙。/If a person loses one third of his blood，he may die. 如果一個人失去三分之一的血，他會死亡。/ How many people died in the earthquake? 有多少人在這次地震中喪生？/They polluted the water and many plants died. 它們汙染了水，許多植物枯萎了。
be dying for 渴望/die away 逐漸消失；慢慢變弱/die back 枝葉枯死但根還活著/die down 平息/die of （from） 死於/die out 滅絕
difference /n. ［C］差別；不同：What are the differences between primary schools and secondary schools? 小學與中學之間的差別是什麼？/Can you see any difference? 你能看出任何不同嗎？
make a difference 有所不同；產生影響；有關係/make no difference 沒有不同；沒有影響；沒關係
different /adj. 不同的：This is a different car from the one I drove yesterday. 這輛車和我昨天開的那輛不同。
difficult［E］/adj. 困難的；難的；艱苦的；難對付的：I just finished a difficult task. 我剛完成一項困難的任務。/The maths problem is too difficult. 這道數學題太難了。/They had a long and difficult journey. 他們經曆了一次漫長而艱苦的旅行。/Dealing with difficult people is a part of everyday life. 應付難對付的人是日常生活的一部分。
difficulty /n. ［C］［U］困難：He met a lot of difficulties in his study. 他在學習中遇到很多困難。/Some students have difficulty in remembering new words. 一些學生記生詞有困難。
dig / v. （dug /，dug /）挖：He dug a deep hole in the ground for water. 為了找水，他在地上挖個深洞。
dining /adj. 餐的；We have our meals in the dining hall. 我們在餐廳吃飯。/The house has three bedrooms，a living room and a dining room. 這座房子有三間臥室、一間客室和一間餐室。
dinner［E］/n. ［U］正餐；飯：We have rice，meat and vegetables for dinner. 我們正餐有大米、肉和各種蔬菜。/I wash the dishes after dinner. 飯後我洗餐具。
direct1 /adj. 直接的；直的；直率的：The direct method of learning English is to have a direct contact with it. 學英語的直接方法是直接接觸英語。/We often need to change direct speech into indirect speech. 我們常常需要將直接引語轉換成間接引語。/This is the most direct road in the city. 這是城裏最直的路。/She is a direct person and likes to ask direct questions. 她是一個直率的人，喜歡問直率的問題。
direct2 /v. 指導；給…指路；導演：The teacher directs the discussion in class but never controls it. 老師指導班裏的討論，但是從不控製討論。/Can you direct me to the post office? 你可以給我指到郵局的路嗎？/Who directed the film Titanic? 誰導演了電影《泰坦尼克號》？
direction /n. ［C］［U］方向；說明；指導：They are coming from the direction of the post office. 他們正從郵局方向來。/It's dangerous to run wildly in all directions when an earthquake happens. 地震發生時到處亂跑很危險。/If you do not know how to do this，you can read the directions. 如果你不知道如何做這件事，你可以看說明。/I don't know how to do this，can you give me some direction? 我不知怎麼做，你能否給我些指導？