四角动物
- 与 四角动物 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The discovery of the footprints in a former quarry in the Holy Cross Mountains in southeastern Poland are thought to be 395 million years old -- 18 million years older than the earliest tetrapod body fossils.
在波兰东南部的圣十字山的一座废弃的采石场，曾发现过动物脚印的化石，经鉴定，为3.95亿年前形成，比发现的最古老的四角龙化石要早1.8亿年。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候，老师解释《圣经》用两种不同的方法。