去年，北京建立了一个计划安装在10个郊区县和首都周围的汽车露营地。

And last year, Beijing created a plan to install vehicle campsites in 10 suburban areas and counties around the capital.

youdao

在一个人口高峰期超过200万居民在1950年，该市的人口下降，而周边的郊区县的增长。

Aftera population peak of over two million residents in 1950 the city'spopulation declined while the suburban neighboring counties grew.

youdao

如果你厌倦了喧嚣的城市生活，你可以到北京的郊区走走。北京有10个远郊区县，他们各有各的特色。

If you tired of the noisy urban life, you can visit to the suburbs of beijing. there are 10 suburbs in Beijing, each of them are quite different.

youdao