hierarchy
noun
ˈhaɪrɑːki
noun
1
a
system
of
organization
in
which
people
or
things
are
divided
into
levels
of
importance
等级制度
C,U
a
rigid
social
hierarchy
严格的社会等级制度
She
worked
her
way
up
through
the
corporate
hierarchy
to
become
president.
她在公司一步一步升到了总裁的位置。
2
the
most
important
and
powerful
members
of
an
organization
〔组织中的〕最高层，统治集团
C
the
church
hierarchy
教会高层