在过去的十年里，北京已经采取一些清理措施，官方报道说，通过该市监测大气质量的“蓝天”计划，减少污染取得了扎实成果。

For the past decade, Beijing has taken cleanup measures and officials have reported steady progress in reducing pollutants through the city's "Blue Sky" air quality monitoring program.

youdao

在过去的十年里，北京已经采取一些清理措施，官方报道说，通过该市监测大气质量的“蓝天”计划，减少污染取得了扎实成果。

For the past decade, Beijing has taken cleanup measures and officials have reported steady progress in reducing pollutants through the city's "Blue Sky" air quality monitoring program.

youdao