follow- up investigation的用法和样例：
例句
- Tonbridge and Malling Borough Council said the law protected public health and they would follow up any reports of the smoking ban being broken.
汤布里奇与莫林区议会表示，禁菸法令是为了保护公众健康，他们也会追踪调查任何违反禁令的报告。 - To carry out a method of tracing and investigation against the industrial sewage directly discharged into rivers so as to search the main pollutive source.
对直接排入河道的工业污水来源采取追踪调查的方法，寻找主要污染源。
