Source Word
Sirius
IPA(Pronunciation)
Sense（1）
Sense（2）
(astronomy)
A
white
main
sequence
star,
the
primary
star
of
the
star
system,
the
only
star
of
the
pair
that
is
visible
to
the
naked
eye.
Long
understood
as
a
single
extremely
luminous
white
star,
it
was
associated
in
ancient
Egypt
with
the
Nile
flood
and
in
Greek
and
Roman
culture
with
the
"dog
days"
of
summer.
