stringent相关的词根或词缀是: strainstrictstring

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A stringent regulatory environment ought to erode profits .

严格的监管环境应该也会侵蚀利润空间。

The oils have met stringent jet fuel regulations .

这种燃油已达到严格的喷气燃料的指标。

He highlighted the latest stringent safety rules in the industry .

他只是强调了最近业内严格的安全规定。

American regulators are trying to enforce stringent standards for foreign factories .

美国的监管者试图对国外的工厂实施严格标准。

It seems resigned to having to undertake more stringent emissions-cutting .

而且他好像接受了更为严格的减排责任。