恐龙研究专家认为，现代鸟类直接起源于手盗龙类，其他已灭绝的恐龙现在被称之为“非鸟恐龙”。
Modern birds are direct descendants of Maniraptoran dinosaurs, experts say. The creatures that went extinct millions of years ago are now called "non-avian dinosaurs."
恐龙研究专家认为，现代鸟类直接起源于手盗龙类，其他已灭绝的恐龙现在被称之为“非鸟恐龙”。
Modern birds are direct descendants of Maniraptoran dinosaurs, experts say. The creatures that went extinct millions of years ago are now called "non-avian dinosaurs."
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