最終更新日
：2024/08/06
ice circle
noun
A
phenomenon
that
occurs
on
rivers
during
winter,
where
floating
ice
caught
in
an
eddying
flow
will
rotate
around,
knocking
off
its
distant
edges,
forming
a
floating
revolving
circular
disk,
slowing
turning
under
the
influence
of
the
underlying
vortex
current;
when
the
temperature
conditions
are
not
too
warm,
leading
to
ice
breakup
and
fragility,
and
not
too
cool,
freezing
over
the
entire
surface.
意味（1）
A
phenomenon
that
occurs
on
rivers
during
winter,
where
floating
ice
caught
in
an
eddying
flow
will
rotate
around,
knocking
off
its
distant
edges,
forming
a
floating
revolving
circular
disk,
slowing
turning
under
the
influence
of
the
underlying
vortex
current;
when
the
temperature
conditions
are
not
too
warm,
leading
to
ice
breakup
and
fragility,
and
not
too
cool,
freezing
over
the
entire
surface.
復習用の問題
A phenomenon that occurs on rivers during winter, where floating ice caught in an eddying flow will rotate around, knocking off its distant edges, forming a floating revolving circular disk, slowing turning under the influence of the underlying vortex current; when the temperature conditions are not too warm, leading to ice breakup and fragility, and not too cool, freezing over the entire surface.
正解を見る
ice circle
正解を見る
The ice circle formed on the river during winter.
English Dictionary
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