1. In line with the requirement of actual battle, the division has expanded the support functions of the service centers.
2. The navy is the first and also the last and only battle line of guarding the safety of a nation.
3. Xinjiang has been the front line of the country's battle against the terrorism owing to its geographical location.
4. In a bloody street battle, the American captain dies trying to set up a telephone line.
5. The arc is the front line in the battle over the Amazon.
6. Liu ordered all the women in his city to make brightly embroidered battle flags that would line the city walls.