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Dictograph
[diktәgrɑ:f]
例句/造句/用法:
What
is
a
Dictograph
?
佚名.
神奇的知識之書
.
The
dictograph
,
to
which
much
publicity
is
now
given
,
by
reason
of
its
use
in
detective
work
,
is
an
instrument
for
magnifying
sound
.
佚名.
神奇的知識之書
.
欧内斯廷編輯
