206. 国家过敏传染病研究所生物医学研究——处于发现的边缘` National Institute of Allergy and Infectious Diseases; biomedical research– at the edge of discovery (1987) by National Institutes of Health 高清作品[20%]

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National Institute of Allergy and Infectious Diseases; biomedical research– at the edge of discovery (1987) -

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国家过敏传染病研究所生物医学研究——处于发现的边缘-美国国立卫生研究院

~ National Institute of Allergy and Infectious Diseases; biomedical research– at the edge of discovery (1987) --National Institutes of Health (美国艺术家, 1887-)

208. 巴拉克·奥巴马米歇尔·奥巴马,阿灵顿国家公墓无名士兵墓`Barack Obama and Michelle Obama, Tomb of the Unknown Soldier at Arlington National Cemetery by Official White House Photo 高清作品[20%]

AF-Barack Obama and Michelle Obama, Tomb of the Unknown Soldier at Arlington National Cemetery

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巴拉克·奥巴马米歇尔·奥巴马,阿灵顿国家公墓无名士兵墓-白宫官方照片

-Barack Obama and Michelle Obama, Tomb of the Unknown Soldier at Arlington National Cemetery (Photograph), by Official White House Photo

210. 皇家国家游艇,可能是1660年英国查理二世抵达莫尔迪克` The Royal and State Yachts, possibly the Arrival of Charles II of England at Moerdijk, 1660 (1660 ~ 1693) by Willem van de Velde the Elder 高清作品[20%]

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The Royal and State Yachts, possibly the Arrival of Charles II of England at Moerdijk, 1660 (1660 ~ 1693) -

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皇家国家游艇,可能是1660年英国查理二世抵达莫尔迪克-老威廉·范德维尔德

~ The Royal and State Yachts, possibly the Arrival of Charles II of England at Moerdijk, 1660 (1660 ~ 1693) --Willem van de Velde the Elder (荷兰艺术家, 1610-1693)