参考例句

1. "These fossilised nuts are the oldest proof we have for mammals laying in food stores, " Martin Sander, a palaeontologist from Bonn university, said.
来自德国波恩大学的古元古（生）代教授，玛丁赡德表示：这些坚果化石也是我们目前掌握的，最古老的会哺乳动物贮藏食物的化石。