せんすい潜水sensui
1.

The act of immersing oneself underwater, often for exploration or recreational purposes.

2.

A specific type of underwater maneuvering, typically associated with activities such as diving or underwater research.

3.

The process of descending below the surface of a body of water, often involving specialized techniques or equipment for safety and effectiveness.

4.

Engaging in underwater operations, which may include various activities from recreation to scientific exploration.

Example:

この潜水時計は少し値段が高すぎます。

せんすいかん潜水艦sensuikan
1.

A type of military vessel capable of navigating underwater while remaining submerged, equipped with various offensive weapons like torpedoes and missiles for attacking naval and ground targets.

2.

A specialized warship designed to operate beneath the surface of the water, primarily used for clandestine operations, reconnaissance, and engaging enemies through its arsenal of weapons.

3.

An underwater combat craft that can remain hidden from enemy radar and surveillance, allowing it to conduct stealth missions and launch surprise attacks against other ships or land-based targets.

Example:

潜水艦は沈んで二度と浮上しなかった。

たいせんすいかん対潜水艦taisensuikan
1.

潜水艦の脅威に対抗するための特性や機能を持つこと。

2.

潜水艦の活動を監視し、排除する目的で設計された装備や戦略に関連すること。

せんすいぼかん潜水母艦sensuibokan
1.

A type of naval vessel designed to support and supply submarines, providing necessary resources such as fuel and provisions, as well as serving as the command ship for a fleet of submarines.

2.

A military ship that operates above water while coordinating underwater operations, functioning as a mobile base for submarines during missions.

せんすいふく潜水服sensuifuku
1.

A specialized outfit designed for underwater activities, equipped with various features like a helmet and neoprene material, allowing the wearer to explore depths while providing air supply and communication capabilities.

2.

An ensemble made for individuals engaging in submerged explorations, including components designed to facilitate breathing, communication, and protection from water pressure and cold temperatures.

3.

A protective garment tailored for divers, incorporating elements that ensure safety and functionality during underwater missions, enabling interaction with the aquatic environment while maintaining air access.