Preregulator
前置调节器
🗣️ 情景例句
Christmas is coming up. Zhao Ming, let me ask you a question.
圣诞节快到了，赵明，我问你个问题。
It seems doesn't understand.
看起来他好像不了解。
What was wrong with Jim ? Did he hurt himself?
吉姆怎么啦？他伤着自己啦？