The following are the pauses and accents of "Fish Fossils":
Pause:
1. Previous: 1972/Geologists during excavation/excavation Obtain/a fish fossil.
2. Presentation: in the shape of a / semi-circle, with a gap / in the middle / made of / two pieces / merged.
3. History: According to expert speculation, it is a fish fossil dating from 200 million to 40 million years ago.
4. Change: Its shape has never been seen before and will never appear again.
5. Enlightenment: The survival of life often requires a tenacious struggle with the natural environment.
Accent:
1. Expert speculation: speculation (accent)
2. Tenacious resistance: struggle (accent)
3. Formation process: formation (accent)
4. Life survival: survival (accent)
5. Cherish time: cherish (accent)