translation.en: You let it cool to room temperature, and then, as the ammonia re-evaporates and combines with the water back on the erstwhile hot side, it creates a powerful cooling effect.
translation.zh: 之后让它降到室温 当氨重新蒸发时会与水结合 回到先前的热的一侧 它会产生很强大的制冷效果