n.盘古大陆，泛大陆，联合古陆，泛古陆，原始大陆

Pangaea was the supercontinent that existed during the late Paleozoic and early Mesozoic eras.
- Pangaea是在晚古生代和早中生代存在的超级大陆。
The breakup of Pangaea began about 200 million years ago and led to the formation of the Atlantic Ocean.
- Pangaea的分裂始于大约2亿年前，导致大西洋的形成。
Scientists believe that Pangaea was once covered by a single giant ocean called Panthalassa.
科学家认为，Pangaea曾被一个名为Panthalassa的巨大海洋所覆盖。
The concept of Pangaea helps explain why certain plants and animals can be found on widely separated continents today.
- Pangaea的概念有助于解释为什么今天在相距甚远的大陆上可以找到某些植物和动物。
The idea of Pangaea was first proposed by Alfred Wegener in the early 20th century.
- Pangaea的概念最早由Alfred Wegener在20世纪初提出。
The existence of Pangaea is supported by evidence from geology, paleontology, and plate tectonics.
- Pangaea的存在得到了地质学、古生物学和板块构造学证据的支持。
Pangaea was surrounded by a global ocean known as Panthalassa, which covered most of the Earth's surface at the time.
- Pangaea周围是一个名为Panthalassa的全球海洋，在当时覆盖了地球表面的大部分。
The formation of Pangaea was a gradual process that took place over millions of years.
- Pangaea的形成是一个渐进的过程，历时数百万年。
Pangaea began to break apart around 175 million years ago, leading to the formation of the modern continents.
- Pangaea大约在1亿7500万年前开始分裂，导致现代大陆的形成。
The study of Pangaea has provided valuable insights into the history and evolution of our planet.
对Pangaea的研究为了解我们星球的历史和演变提供了宝贵的见解。