| | dairy | n. (牛奶場,奶製品廠,奶品店) place where milk is produced, kept, or converted into butter or cheese
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| dam | n. (水壩,築壩) barrier to prevent the flow of liquid, especially built across a water course
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| damp | a. Syn. humid; moist; wet(潮濕的,有濕氣的) humid; moist; slightly wet
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| dart | v. Syn. rush; cast(飛奔,投擲) move suddenly and rapidly
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| dash | v. (突進,飛跑,衝撞,急匆匆地寫) throw with violence or haste; break, as by throwing or by collision; form or sketch rapidly
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| database | n. (數據庫) collection of data arranged for ease and speed of search and retrieval
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| dazzle | v. (使目眩,使眼花,使迷惑) overpower with light; confuse the sight of by brilliance of light; bewilder or surprise with brilliancy
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| deadlock | n. Syn. standstill; stalemate(僵局) standstill resulting from opposition of two forces or factions; stalemate
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| dearth | n. Syn. scarcity(稀缺,缺乏) scarcity; shortage of food; famine from failure or loss of crops
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| debris | n. Syn. rubble(碎片,殘骸) remains of something that has been destroyed or broken up
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| decade | n. (十年,十年期間) a group of ten, especially a period of ten years
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| decay | v. Syn. decompose; rot(腐爛) decompose; break sown; disintegration; rottenness; decline; worsen; decadence
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| deceive | v. Syn. fool(欺騙,行騙) fool; cause to believe what is not true; mislead
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| decipher | v. (破譯,解密) convert code into ordinary language; read with difficulty
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| declaration | n. Syn. announcement; avowal; statement(宣布,宣言) announcement; explicit  statement; formal public statement
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| decline | n. Syn.  deterioration; decay(衰退,下降,減退) change toward something smaller or lower ; gradual falling off from a better state
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| decompose | v. Syn. decay(分解,(使)腐爛) decay
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| decorate | v. Syn. adorn; embellish(裝飾,裝潢,修飾) adorn; embellish
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| decrease | v. Syn. lessen; reduce; abate(減少) lessen; reduce; make a quantity smaller
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| decree | n. (命令,法令,頒布命令,公告) order from one having authority; decision, order, or sentence by court
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