ansamycins

例句：

1. 1. The researchers found that the ansamycins were effective against certain types of bacteria.
   研究人员发现某些类型的细菌对安萨霉素有反应。
2. 2. The ansamycins have been shown to have antibacterial properties.
   已证明安萨霉素具有抗菌性质。
3. 3. The use of ansamycins in agriculture has been a topic of concern due to theirpotential toxicity.
   在农业中使用安萨霉素引起了关注，因为它可能具有毒性。