资深古生物学家无法确定时间问题，所以不同领域的专家参与了进来。

Palaeontologists cannot tell us this, so different specialists have become involved.

youdao

资深古生物学家无法确定时间问题，所以不同领域的专家参与了进来。

Palaeontologists cannot tell us this, so different specialists have become involved.

youdao