trailer
noun
ˈtreɪlə
noun
1
a
vehicle
that
can
be
pulled
behind
another
vehicle,
used
for
carrying
something
heavy
拖车，挂车
2
a
vehicle
that
can
be
pulled
behind
a
car,
used
for
living
and
sleeping
in
during
a
holiday
[美] 〔度假期间拖在汽车后面起居和睡觉用的〕活动房屋;
AmE BrE
3
an
advertisement
for
a
new
film
or
television
show
〔电影、电视节目的〕新片预告，预告片