Usage note
“升温”指温度从低变高,也可以比喻关系或情绪变得更热烈。
“Shēng wēn” zhǐ wēndù cóng dī biàn gāo, yě kěyǐ bǐyù guānxì huò qíngxù biàn dé gèng rèliè.
"Rise in temperature" refers to temperature going from low to high, and can also metaphorically mean relationships or emotions becoming more intense.