crinoid的例句
1. Marine reptiles and echinoderm crinoid that feature intact and delicate preservation and large quantity serve as the mark.
以保存完整精美、数量巨大的海生爬行类和棘皮动物海百合为标志。youdao
2. While we were ping over a beautiful untouched reef, I noticed this crinoid in the distance because of its unusual colors.
当我们潜到一处美丽的、未遭过破坏的礁石时，我注意到远方那颜色非比寻常的海百合。youdao
3. In 1992, the author found fossil crinoid stems in crystalline limestone at Xia-zhuang, Wenchuan, which were determined to be of Ordovician age.
笔者1992年在汶川下庄的结晶灰岩中采到了海百合茎化石，证实其时代属奥陶纪。youdao
4. Recently a rich and well preserved crinoid community has been found in the Late Triassic Wayao Formation in Guanling County, Guizhou Province, China.
在贵州省关岭地区上三叠统瓦窑组地层中发现了保存完好的海百合化石群。youdao
5. 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，岩石里有化石，这是海百合的茎，有2.5亿年历史，地球的历史被刻画在石头上，地球上生物的历史也是如此。youdao
6. 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，岩石里有化石，这是海百合的茎，有2.5亿年历史，地球的历史被刻画在石头上，地球上生物的历史也是如此。youdao