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单词
preformationary
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pre•for•ma•tion
(prē′fôr mā
′
shən),
USA pronunciation
n.
previous formation.
Biology
(formerly) the theory that the individual, with all its parts, preexists in the germ cell and grows from microscopic to normal proportions during embryogenesis (opposed to
epigenesis
).
pre
- +
formation
1725–35
pre′for•ma
′
tion•ar•y
,
adj.
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meaningness
mean latitude
mean length of utterance
mean lethal dose
mean life
mean line
meanly
meanness
mean noon
mean planet
mean proportional
means
means grass
mean solar day
mean solar time
meanspirited
meanspiritedly
meanspiritedness
mean square
mean square deviation
means test
means-test
mean sun
meant
mean time
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更新时间:2025/10/18 0:18:12