concerning
【关于，涉及，相关】
concern 关心，担心，忧虑，涉及，牵涉，关于
The researchers found that residential sinks, particularly drains, harbored higher levels of certain concerning bacteria.
研究人员发现，住宅水槽，尤其是排水沟，含有较高水平的某些相关细菌。