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单词
relative density
释义
relative density
BrE
/
ˌrelətɪv ˈdensəti
/
NAmE
/
ˌrelətɪv ˈdensəti
/
(
also
speˌcific ˈgravity
)
noun
[
U
]
(
chemistry
化学
)
the
mass
of
a
substance
divided
by
the
mass
of
the
same
volume
of
water
or
air
相对密度
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更新时间:2025/3/19 20:37:51