Phonetics
is
an
empirical
____________________
,
which
studies
human
____________________
sounds
.
It
tells
us
how
____________________
are
produced
,
thus
describing
the
articulatory
and
acoustic
____________________
of
sounds
.
Sounds
are
viewed
as
____________________
in
the
____________________
world
.
There
are
____________________
main
branches
of
phonetics
:
Articulatory
phonetics
,
____________________
phonetics
,
and
auditory
____________________
