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

单词	trace fossil
释义	trace fossil a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
随便看	usw usward ut UT Ut. U/T uta Utah Utamaro UTC ut dict. ute Ute utend. utensil uter- uteralgia uterine utero- uterus Utgard Utgard-Loki U Thant Uther UTI

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