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单词
critical mass
释义
critical mass
ˌcritical ˈmass
noun
[countable, uncountable]
science
,
physics
the amount of a substance necessary for an
atomic
chain reaction
to start
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cozen
cozily
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cozy
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CPCTC
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Cpt.
CPU
crab
crab apple
crabbed
crabby
crabgrass
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更新时间:2025/3/10 5:30:30