original gas hypothesis

例句：

1. 1. The originalgas hypothesis suggests that the universe began as a hot, dense plasma.
   原始气体假设认为宇宙最初是一个热、密的等离子体。
2. 2. This theory challenges the original gas hypothesis and proposes a new model for the origin of life.
   这一理论挑战了原始气体假设，并提出了一种新的生命起源模型。
3. 3. The discovery of this gas has led to further research into the original gas hypothesis.
   这种气体的发现促使人们进一步研究原始气体假设。