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These migratory birds spread the virus to the region.
这些候鸟将病毒传播到了该地区。
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Experts have been studying the migratory path of this shark.
专家们一直在研究这种鲨鱼的迁徙路径。
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The developed city has a huge migratory population.
该发达城市具备庞大的流动人口。
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Migratory birds fly to the south before winter.
冬天之前 候鸟会飞向南方
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Any of migratory songbirds of the family Turdidae usually have brownish upper plumage.
任何一种鸫科迁徒鸟类的上部羽毛通常为褐色。
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Can migratory birds carry H5N1 over long distances?
候鸟会长距离携带H5N1型禽流感病毒吗?
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Migratory tuna are also unlikely candidates for farming.
有回游习性的金枪鱼也同样不适合在鱼场养殖。
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Do migratory birds spread highly pathogenic avian influenza viruses?
候鸟是否传播高致病性禽流感病毒?
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For photo of Northern Harriers, Bear River Migratory Bird Refuge, ut.
这张白尾鹞照片摄于犹他州贝尔河候鸟保护地。