英语词汇“trace fossil”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	trace fossil
释义	trace fossil noun : a fossil that shows the existence or activity of an animal or plant but is not formed from the animal or plant itself < trace fossils of dinosaur footprints and arthropod burrows >
随便看	actio stricti juris actipylaea actipylaria actipylea activable activate activated activated alumina activated carbon activated charcoal activated sludge process activation activation activation analysis activation energy activator activator active active active amyl alcohol active bond active carbon active component active door active duty

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