Prepurging
洗炉, 清炉(清除炉内气体)
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了，再有几天就好了。
There is a skeleton in every house.
每座房子都有骨架。
You haven't finished your lunch!
你没吃完午饭！