bursal rays

例句：

1. 1.The submarine fired a bursal ray at the enemy ship to destroy it.
   潜艇发射鱼雷射线，摧毁了敌舰。
2. 2.The scientist discovered a new type of bursal ray that could be used for medical purposes.
   科学家发现了一种可用于医疗的新类型的鱼雷射线。
3. 3.The bursal ray was so powerful that it could penetrate through any obstacle.
   这种鱼雷射线非常强大，能够穿透任何障碍物。