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Thimbles
[θɪmblz]
例句:
To
the
wires
_
q
r
_
two
other
wires
are
soldered
so
as
to
project
in
an
opposite
direction
,
and
dip
into
the
thimbles
_
l
m
_.
Edward W. Byrn.
十九世纪发明进展
.
整理:梅尔巴
