chemically active

例句：

1. 1. The new drug is chemically active and can be used to treatmany diseases.
   这种新药具有化学活性，可用于治疗多种疾病。
2. 2. Thesoil is chemically active, which means it can reactwith various chemicals.
   土壤具有化学活性，这意味着它可以与各种化学物质发生反应。
3. 3.The researcher found that the bacteria werechemically active and could produce antibiotics.
   研究者发现这些细菌具有化学活性，并能产生抗生素。