深海

Deep sea is a polysemous term that can refer to various different things. In natural science, the deep sea usually refers to the part of the ocean with a depth of more than 200 meters, which is a dark environment that light cannot penetrate, with unique water pressure, temperature, and biological communities. The deep sea occupies the vast majority of the Earth's ocean area and is an important field for scientific research. In terms of entertainment culture, deep sea can refer to various fictional works, such as the scenes in the game "Stranded Deep" and the ocean biomes in "Minecraft", or fantasy animated films such as "Deep Sea", which often contain mysterious imagery and adventurous elements. In addition, the deep sea can also refer to some real-world figures or organizations, such as the twin entertainers "Hiromi and Fukami" or the Japanese deep-sea submersible research vessel "Shinkai 6500". All in all, deep sea has multiple meanings, and which concept it specifically refers to depends on the context.