trainer
noun
ˈtreɪnə
noun
1
someone
who
trains
people
or
animals
for
sport
or
work
教练（员）; 驯兽师;
a
racehorse
trainer
赛马训练师
2
a
type
of
strong
shoe
that
you
wear
for
sport
[英] 运动鞋，跑鞋;
BrE AmE