plunge master

例句：

1. 1. dive master, 2.scuba diving instructor, 3. deep-sea diving expert例句：1. The dive master guided the team through the coral reefs.
   潜水教练指导团队穿过珊瑚礁。
2. 2. The scuba diving instructor taught us how to use the regulator.
   深潜教练教我们如何使用呼吸器。
3. 3.The deep-sea diving expert discovered a new species of fish in the depths.
   深海潜水专家在深处发现了一种新的鱼类。