parallel method

例句：

1. 1. The two buildings are parallel to each other.
   这两栋建筑是并排的。
2. 2. The parallel lines of the road form a perfect square.
   这条路上的平行线形成了一个完美的正方形。
3. 3. The scientists conducted a parallel study on the same topic.
   科学家们就同一个主题进行了平行研究。