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helium
關於helium的翻譯
氦
來源 : pydict
helium definition
a
very
light
colorless
element
that
is
one
of
the
six
inert
gasses;
the
most
difficult
gas
to
liquefy;
occurs
in
economically
extractable
amounts
in
certain
natural
gases
(as
those
found
in
Texas
and
Kansas)
來源 : wordnet
來源 : Trending