朱说北京到张家口线上的一些火车很“智能”。车上有 5G 信号覆盖，为乘客提供无线充电以及智能照明。

Zhu said some trains on the Bejing-Zhangjiakou line are "smart" as they provide 5G signals and wireless charging for passengers, as well as intelligent lighting.

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对于即将到来的2022年北京-张家口冬奥会你有什么看法?。

What do you think of the upcoming/ following 2022 Winter Olympics in Beijing and Zhangjiakou?

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丁钰是河北省张家口市区人，当地环境特殊，三面环山，离内蒙古较近。

Dingyu born in Changchiakou, Hebei province, which is surrounded on three sides by high mountains, and very close to Inner Mongollia. The local environmental condition is special.

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