crinoid fossils的意思
crinoid fossils中文翻譯:
海百合化石
相似詞語短語
derived fossils───再沉化石;[地質]次生化石,轉生化石
index fossils───[古生]標準化石,[古生]標志化石
reworked fossils───重新加工的化石
carcinoidosis───類癌
derived fossil───衍生化石
guide fossils───標志化石
ichnofossils───n.[古生]遺跡化石
雙語使用場景
Also, in the rocks, there are fossils. This is the stem of a crinoid, It's about 250 million years old, so the history of the planet is recorded in the rocks as you pass by life on the planet.───另外,巖石里有化石,這是海百合的莖,有2.5億年歷史,地球的歷史被刻畫在石頭上,地球上生物的歷史也是如此。
英語使用場景
Gahn and Baumiller examined more than2, 500 crinoid fossils for evidence of arm regeneration, focusing onspecimens dating back 290 million to 490 million years.