resistant strain

例句：

1. 1. The bacteria in the soil areresistant to many chemicals.
   土壤中的细菌对许多化学物质具有抗性。
2. 2. Thenew drug is designed totarget the resistant strain of thevirus.
   这种新药旨在针对病毒的抗性菌株。
3. 3. Researchers have found that somestrains of bacteria are more resistantthan others.
   研究人员发现，某些细菌菌株比其他菌株更具有抗性。