expelling pathogenic factors from muscles and skin

例句：

1. 1. The police were trying to expel the criminal from the city.
   警方试图将罪犯从城市中驱逐出去。
2. 2.The team was expelled from the tournament due to a series of bad decisions.
   由于一系列糟糕的决策，该队被逐出锦标赛。
3. 3. The scientist was expelled from the university for publishing misleading research.
   科学家因发表误导性研究而被大学开除。