“keel”的概念、定义、翻译、参考文献-科学参考

单词	keel
释义	keel Encyclopedia 理学鸟纲（化石）释 keel龙骨地质学特别是古生物学领域，是古代脊椎动物的骨骼和牙齿化石的统称，特别是第三纪后期和第四纪的哺乳类（如象、犀牛、马、鹿、骆驼、羚羊等）的骨骼和牙齿化石。 Biology keel龙骨瓣；龙骨突
随便看	aggregate of productive forces aggregate reserves aggregate social labour aggregation aggregation control aggregation effect aggregation-induced emission aggregation-induced emission polymer aggregation language aggregation method aggregation number aggregation of process aggregation of system aggregation process Aggregation type of residential area aggregation velocity aggregative aggregative closure aggregative fluidization aggregative index aggresion aggression aggressive behavior aggressive behavior of livestock aggressive driving

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