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EBooks(電子書)
Clefts
[k'lefts]
例句/造句/用法:
These
are
carved
pieces
of
metal
in
the
lock
which
fit
into
clefts
or
grooves
in
the
key
and
prevent
the
lock
from
being
opened
except
by
its
own
proper
key
.
威廉·亨利·杜利特.
世紀發明
.
克林特手打
