Actinomyces israelii

例句：

1. 1. This strain of bacteria was first isolated from soil in Israel.
   这种细菌最初是从以色列的土壤中分离出来的。
2. 2.The study found that this strain of bacteria could cause skin infections in humans.
   研究发现，这种细菌能够引起人类的皮肤感染。
3. 3. Researchers are trying to understand the relationship between this strain of bacteria and human health.
   研究人员正在试图理解这种细菌与人类健康之间的关系。