Preregulator
前置调节器
🗣️ 情景例句
The train is just up the street.
地铁车就在街的那一头。
Could you tell me the cost of production per unit?
请你告诉我每件成品的生产成本好吗？
But we won't have our big family get-together until Christmas.
但我们要等到圣诞节才会有家庭大团圆。