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单词
guide fossil
释义
guide fossil
[`gīd ´fäs·ǝl]
PETROLOGY
A fossil used for rock correlation and age determination.
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Asclepiadaceae
ascocarp
ascogenous
ascogonium
Ascolichenes
Ascoli's theorem
Ascomycetes
ascon
A scope
ascorbic acid
ascospore
Ascothoracica
ascus
asdic
aseismic
A selection
Aselloidea
Asellota
asepsis
aseptic meningitis
asetigerous
asexual
asexual reproduction
as-fitted drawing
ash
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