Eumetazoa

例句：

1. 1. The discovery of the first dinosaurs in the Mesozoic era has sparked a new interest in the study of ancient life.
   在中生代首次发现恐龙引发了对古代生命研究的新兴趣。
2. 2. The evolution of the human species from ape-like ancestors is one of the most fascinating stories inthe history of life.
   人类从类人猿祖先进化成现代人的故事是生命史上最引人入胜的篇章之一。
3. 3.The fossil record of Eumetazoa provides valuable insights into the history of life on Earth.
   元古生物化石记录为了解地球上生命的历史提供了宝贵的见解。