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笔记本
ball girls是ball girl的复数
ball girls
美
英
英英
n.
1.
a
girl
whose
job
is
to
pick
up
tennis
balls
at
a
tennis
match
and
throw
them
back
to
the
players
2.
a
girl
whose
job
is
to
take
care
of
the
balls
that
are
not
being
used
during
a
baseball
practice
or
game