Prepurging
洗炉, 清炉(清除炉内气体)
🗣️ 情景例句
When you start discussing politics, I'm completely out of my depth.
你们一谈论政治，我就一窍不通了。
Oh, half-and-half, you know.
马马虎虎。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。