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 4000 Duolingo (D) - Spelling Practices
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n. 水坝,筑坝 a barrier to prevent the flow of liquid, specially built across a watercourse


Spelling Word: dam
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a. 未决定的,有争执的 disputable; unsettled; open to doubt or debate


Spelling Word: debatable
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v. 破译,解密 convert code into ordinary language; read with difficulty


Spelling Word: decipher
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n. 一副(纸牌) a pack of 52 cards; any of various floor-like platforms built into a vessel


Spelling Word: deck
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n. 营养学家 a specialist in the study of nutrition


Spelling Word: dietitian
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n. 不赞成 a feeling of disliking something or what someone is doing


Spelling Word: disapproval
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n. 释放,发射 act of removing a load or burden; the act of shooting or firing a projectile or weapon; emission


Spelling Word: discharge
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n. 假扮,掩饰 dress or exterior put on for purposes of concealment or of deception


Spelling Word: disguise
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a. 忧郁的,凄凉的,抑郁的,阴暗的 causing gloom or depression; dreary; somber; melancholy


Spelling Word: dismal
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v. 使分裂,使陷于混乱,破坏 upset; throw into confusion or disorder


Spelling Word: disrupt