4000 Duolingo Vocabulary List

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n. 汽油 petrol; flammable liquid consisting of a mixture of refined petroleum hydrocarbons

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n. 发源,源头 coming into being of something; origin

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ad. 遗传上,由基因决定的,与遗传有关的 by genetic mechanisms

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n. 有教养,文雅 quality of being well-mannered; refinement; people of good birth

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n. 滑行者,滑翔机 aircraft supported only by the dynamic action of air against its surfaces

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n. 格子,格栅 the framework of crisscrossed or parallel bars; grating or mesh

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n. 阵风,一阵狂风 blast; outburst; a sudden strong wind

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v. 阻挡,妨碍 put at a disadvantage; prevent the progress or free movement of

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n. 手册,指南 concise reference book providing specific information

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a. 有害的,伤害的 damaging; noxious; detrimental; dangerous