How to Use "frogman" with Example Sentences

1. I think the first casio frogman dw-6300 rare distribution limited .
2. You are a frogman and must collect rare marine creatures and recover lost treasures at the bottom of the sea .
3. Frogman always dies like a dead frog .
4. His book is a portrait of the danish special forces unit which translated to english is called " the frogman corps " .
5. With the rampant expansion of activities of frogman invasion , sonar for detecting frogman has attracted great attention , and thus systems for ensuring underwater security are suggested .