regulator
noun
ˈreɡjʊəleɪtə
noun
1
an
instrument
for
controlling
the
temperature,
speed
etc
of
something
调节器; 校准器
a
heat
regulator
热调节器
2
someone
who
makes
sure
that
a
system
operates
properly
or
fairly
管理者，监管者
traffic
safety
regulators
交通安全管理者