一亿两千五百万

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2.

In 1993 , Cano worked with Poinar and others to remove DNA from a 125 million-year-old Lebanese weevil entombed in amber.

1993年，卡诺曾与坡因纳尔以及其他人一道，试图从琥珀中一只一亿两千五百万年前的象鼻虫体内提取 DNA 标本。