悉尼：荷兰的法医学专家已经发明出一种可靠的技术，仅仅通过一滴血可以估计人类的年龄。
SYDNEY: Forensic scientists in the Netherlands have developed a reliable technique for estimating human age from just a single drop of blood.
悉尼：荷兰的法医学专家已经发明出一种可靠的技术，仅仅通过一滴血可以估计人类的年龄。
SYDNEY: Forensic scientists in the Netherlands have developed a reliable technique for estimating human age from just a single drop of blood.
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