ancestry
noun
ˈænsəstri
noun
1
the
members
of
your
family
who
lived
a
long
time
ago
[正式] 祖先，祖宗
of
…
ancestry
Her
mother
is
of
German
ancestry
(=has
German
ancestors)
.
她母亲祖籍德国。
Helen’s
family
can
trace
their
ancestry
back
to
the
1700s.
海伦家的世系可追溯至 18 世纪。