Tail feather of a blue-fronted Amazon parrot, at Institute of Zoology and Zoological Museum, University of Hamburg.
蓝顶亚马逊鹦鹉的尾羽，汉堡大学动物学会和动物博物馆。
Police stations are often fronted by a row of blue and white patrol e-bikes.
警察局也经常派出骑着蓝色和白色电动自行车的巡逻警察。
Police stations are often fronted by a row of blue and white patrol e-bikes.
警察局也经常派出骑着蓝色和白色电动自行车的巡逻警察。
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