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wheel definition
a
simple
machine
consisting
of
a
circular
frame
with
spokes
(or
a
solid
disc)
that
can
rotate
on
a
shaft
or
axle
(as
in
vehicles
or
other
machines)
forces
that
provide
energy
and
direction
examples:
the
wheels
of
government
began
to
turn
a
circular
helm
to
control
the
rudder
of
a
vessel
change
directions
as
if
revolving
on
a
pivot
examples:
They
wheeled
their
horses
around
and
left
wheel
somebody
or
something
move
along
on
or
as
if
on
wheels
or
a
wheeled
vehicle
examples:
The
President's
convoy
rolled
past
the
crowds
來源 : wordnet
來源 : Trending