研究者还补充到，“我们在研究中第一次发现，蛋壳化石传递的DNA信息里有禽流感的痕迹。”
The researchers added: 'This study provides the first evidence that ancient DNA is preserved in fossil avian eggshell.
很自然的，他无法抵抗使用喜剧和夸张的手法，补充道：“这是人类历史上第一次发明这种方法。”
Naturally, he couldn't resist a comic hyperbole, adding, "It's the first time in history such a method has been discovered."
威斯补充说，这是他第一次看到工作岗位在招聘过程如此晚的阶段被取消。
Weiss, who adds that this is the first time he has seen a job fall through at such a late stage of the process.
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