upright dive

例句：

1. 1. The divers were upright diving through the coral reefs.
   潜水员正在通过珊瑚礁进行垂直潜水。
2. 2.She was upright diving for a shark that had attacked her.
   她正在垂直潜水，试图攻击一只袭击她的鲨鱼。
3. 3.The diver was upright diving to explore the depths of the ocean.
   潜水员正在进行垂直潜水，探索海洋的深处。