What is the strenuous exercise of cross-country running and where can I find it?

Trail music running strenuous exercise: a running APP focusing on campus sports health. Trail Run can be downloaded from the APP store (for example, iPhone). On 20 19 12, the general office of the Ministry of Education announced the first batch of educational apps for the record, and the trial operation passed the record. The operation steps of searching and downloading are as follows:

(1) Click the App store.

(2) Find trails and run happily.

(3) Click Get.

(4) The trial run download is completed.

Precautions:

When entering the App store to download the Trail Music Run application, you need to connect to the cellular network or WLAN hotspot and log in to the Apple ID to download it.