The phrase "熱辣滾燙 精彩上演" is mentioned in Document [1] and Document [2]. In Document [1], it describes an event held at the Zhongguancun Hot Spring Science and Technology Park, where residents enjoyed a series of exciting activities during the Lantern Festival. The activities included taking photos, making wishes, solving riddles, and playing games. The atmosphere was described as "熱辣滾燙," which means hot and lively. In Document [2], it mentions a traditional folk event held at the Shunhuangli Cultural Tourism Industrial Park, where dragon lantern performances, fireworks shows, lantern viewing, and riddle guessing took place. The event was described as "熱辣滾燙," which means hot and lively. Therefore, based on the provided information, it can be inferred that "熱辣滾燙 精彩上演" refers to the lively and exciting performances or events that took place during the Lantern Festival.