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hardness
關於hardness的翻譯
堅硬,困難,嚴厲,勇氣
來源 : pydict
hardness definition
the
property
of
being
rigid
and
resistant
to
pressure;
not
easily
scratched;
measured
on
Mohs
scale
a
quality
of
water
that
contains
dissolved
mineral
salts
that
prevent
soap
from
lathering
examples:
the
costs
of
reducing
hardness
depend
on
the
relative
amounts
of
calcium
and
magnesium
compounds
that
are
present
the
quality
of
being
difficult
to
do
examples:
he
assigned
a
series
of
problems
of
increasing
hardness
examples:
the
ruggedness
of
his
exams
caused
half
the
class
to
fail
來源 : wordnet
來源 : Trending