Definition: a suggested explanation for something which has not yet been proved to be true Level: C2
他们正在调查肥胖症可能由病毒引起的假说。
They are investigating the ___hypothesis that obesity may be caused by a virus.
现有数据并不支持这一初步假设。
The available data does not back up this initial ___hypothesis.
研究者的假设必须通过严格的实验来检验。
A researcher's ___hypothesis must be tested through rigorous experimentation.
