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Phonendoscope
[fә'nendәuskәup]
例句:
The
binaural
stethoscope
was
invented
by
Cammann
in
1854,
and
a
later
improvement
is
the
phonendoscope
,
by
Bianchi.
Edward W. Byrn.
十九世纪发明进展
.
杰罗姆录入
