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。爱思助手下载最新版本是该领域的重要参考
Архивное фото. Фото: Ognen Teoflovski / Reuters
"Research has shown that chalk stream salmon are genetically unique and irreplaceable. They play a vital role in the ecosystem, supporting insects, birds, mammals, and other river life," the trust said.
Schovsbo, opens a box to show me a grainy green slab drilled from the seafloor.