直系的

They were the direct descendants of the Dutch settlers.

他们是荷兰移民的直系。

Shakespeare's last direct descendant.

士比亚最的直系。

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2300万年的生物并不是如今豹、狮和象的直系祖先，而是来自另一个分支。