Hecke ring

例句：

1. 1. The black-ringed bacteria were found to be harmful to human health.
   发现这种有害的细菌。
2. 2. The black-ringed bacillus was responsible for the outbreak of anthrax.
   这种有害的细菌导致了炭疽病的爆发。
3. 3. The black-ringed bacteria were found in the soil samples collected from the farm.
   在从农场收集的土壤样本中发现了这种有害的细菌。