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背单词
caseharden
caseharden
美
英
v.
【冶】使(铁合金)表面硬化;使冷酷无情
网络
使表面硬化;使无情
词形变化
过去分词:
casehardened
现在分词:
casehardening
第三人称单数:
casehardens
英汉解释
v.
1.
【冶】使(铁合金)表面硬化,淬火
2.
使厚颜无耻,使冷酷无情
英英解释
v.
1.
to
harden
the
surface
of
an
iron
alloy
by
heating
and
then
cooling
in
water
2.
to
make
somebody
unsympathetic
or
unfeeling
as
a
result
of
extended
involvement
in
dealing
with
difficult
and
distressing
problems
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