protometamere neocrane

例句：

1. 1. Theprotometamere neocrane isa crucial stage in the evolution of lifeon Earth.
   原初的中生代是地球上生命演化的关键阶段。
2. 2. The discovery ofthis protometamere neocrane species has shed new light on theearly history of life.
   这一原初的中生代物种的发现为早期生命的历史提供了新的见解。
3. 3. Theprotometamere neocrane fossils provide evidenceof the earliest forms of life thatlived during this time period.
   原初的中生代化石为这一时期最早形态的生命提供了证据。