直系的

They were the direct descendants of the Dutch settlers.

他兰移民的直系后裔。

Shakespeare's last direct descendant.

莎士比亚最后的直系后裔。

The 23 million-year-old creature was not a direct ancestor of today's seals, sea lions and walruses, a group known collectively as pinnipeds.

这只2300万年的生物并不如今豹、狮和象的直系祖先，而来自另一个支。