恶劣

Said in one Chinese podcast line.

• 敦煌铁路完善自然环境恶劣

  Dunhuang Railway improves the harsh natural environment.

  

  文化長河－鐵道行繾綣敦煌

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Chinese books and courses on Amazon (affiliate link).