Prepyrogen
前热原; 前致热物
🗣️ 情景例句
I have a new puppy and he has an excellent temperament.
我有只新的小狗，它的脾气很好。
Never neglect an opportunity for improvement.
抓住大好时机，切莫等闲错过。
Is she coming later?
她晚些时候会来吗？