Undercapacity
非飽和容量
??? 情景例句
What's going on?
你在忙些什么？
That's a book.
那是一本書(shū)。
In a short time I was busy mixing butter and flour and my hands were soon covered with sticky pastry.
不一會(huì)兒我就忙著調(diào)拌起了黃油和面粉，很快我的手上就沾滿了粘粘的面糊。