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radon
關於radon的翻譯
氡
來源 : pydict
radon definition
a
radioactive
gaseous
element
formed
by
the
disintegration
of
radium;
the
heaviest
of
the
inert
gasses;
occurs
naturally
(especially
in
areas
over
granite)
and
is
considered
a
hazard
to
health
來源 : wordnet
來源 : Trending