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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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fair trade
fair-trade
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fair-weather friend
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fairy godmother
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faith
faith community
faithful
faithfully
faithfulness
faith healer
faith healing
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fake
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更新时间:2026/3/21 21:30:05