Bacillus crassus

例句：

1. 1.Bacillus crassus is a type of bacteria that can cause food poisoning.
   芽孢杆菌是一种可以引起食物中毒的细菌。
2. 2. Bacillus crassus is used in the production of antibiotics.
   芽孢杆菌用于生产抗生素。
3. 3.Bacillus crassus is a common contaminant in food and water.
   芽孢杆菌是食品和水中常见的污染物。