marteline

例句：

1. 1.The marteline is a crucial line in the game.
   马特林线是游戏中至关重要的一条线。
2. 2. The marteline was used to mark the boundary between two countries.
   马特林线被用来标记两个国家之间的边界。
3. 3. The marteline was a critical point in the battle, allowing the defenders to hold their ground.
   马特林线是战斗中的关键地点，让防守方得以坚守阵地。