Preregulator
前置调节器
🗣️ 情景例句
Did you get a chance to get outside at all?
有时间出门吗？
It is good to learn at another man's cost.
前车之覆，后车之鉴。
It was a lazy, breezy autumn afternoon.
这是一个懒散的，起风的秋日下午。