hypothesis in working

例句：

1. 1. The scientist made a hypothesis about the cause of the disease.
   科学家提出了这种疾病原因的假设。
2. 2. This hypothesis has been tested in various experiments.
   这个假设在各种实验中被测试过。
3. 3.The new theory is based on the hypothesis that the earth moves around the sun.
   新理论是基于地球围绕太阳移动的假设。