相关例句

• As well-studied as dinosaurs have been over the past couple of centuries, paleontologists have learned little about their breathing, because lungs do not fossilize.(尽管过去的几个世纪里，我们对恐龙类有比较深入的研究，可是古生物学家仍对它们的呼吸状态知之甚少，因为肺无法形成化石保存至今。)
• One interpretation regarding the absence of fossils during this important 100-million-year period is that early animals were soft bodied and simply did not fossilize.(在这重要的一亿年的周期内缺乏化石（记录），关于这一点，有一种解释是早期的动物是软体动物，所以它们无法形成化石。)
• They seem to want to fossilize the environment in which people live and work.(他们看样子想把人们工作和生活环境陈腐化。)
• The most important parts, the flowers, rarely fossilize.(最重要的部分，即花朵，很少成为化石。)
• Animals this small do not fossilize well, which is why this stage of the distant evolutionary past is so little known.(这么小的动物很难形成良好的化石，这就是为什么过去我们对这一阶段的进化过程知之甚少的原因。)
• The tissue and cartilage of a nose are too soft to fossilize.(鼻部的组织和软骨结构太软，无法形成化石。)