conductor
noun
kənˈdʌktə
noun
1
someone
who
stands
in
front
of
a
group
of
musicians
or
singers
and
directs
their
playing
or
singing
〔乐队、合唱队的〕指挥
2
someone
whose
job
is
to
collect
payments
from
passengers
on
a
bus
[英] 〔公共汽车上的〕售票员
BrE
3
someone
who
is
in
charge
of
a
train
and
collects
payments
from
passengers
or
checks
their
tickets
[美] 〔火车上的〕列车长;
AmE BrE
4
something
that
allows
electricity
or
heat
to
travel
along
it
or
through
it
〔电或热的〕导体
Wood
is
a
poor
conductor
of
heat.
木头导热性能差。