气象部门警告居民即将到来的严重雷暴。

The weather service ___alerted residents to the impending severe thunderstorm.

这篇文章警告读者社交媒体上错误信息的潜在危险。

The article ___alerted readers to the potential dangers of misinformation on social media.

这项新研究警告政策制定者迫切需要采取气候行动。

The new study ___alerted policymakers to the urgent need for climate action.