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单词
preformation
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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titer
titfer
tit for tat
tithable
tithe
tithe barn
tithed
titheless
tither
tithing
tithonia
tithonus
titi
titian
titianesque
titian red
titicaca
titillate
titillating
titillatingly
titillation
titillative
titius-bode law
titivate
titivation
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更新时间:2025/11/8 1:04:30