medencékben
The term "medencékben" is the Hungarian plural locative case for "medence," which translates to "pool" or "basin" in English. Therefore, "medencékben" specifically refers to being "in pools" or "in basins." This phrase is commonly used in Hungarian to describe activities or situations taking place within swimming pools, decorative water features, or other types of contained bodies of water.
For instance, one might say "A gyerekek a medencékben játszanak" which translates to "The children are playing
In a broader sense, "medencékben" can also be used metaphorically. For example, it might describe being immersed