scuba diver
combat diver
underwater operations
swimming gear
A: Did you see the frogman in the lake?
A：你在湖里看到那个蛙人了吗？
B: Yes, he was wearing a diving mask.
B：看到了，他戴着潜水面罩。
1) 水下潜水员
2) 特种部队中的蛙人
3) 佩戴蛙鞋游泳的人
1. 蛙人；潜水员
noun
1. A person who swims underwater, especially for military or special operations.
Synonym: diver, scuba diver