Postregulator
[电] 后段调整器
🗣️ 情景例句
But I'm thirsty.
可是我渴了。
What's the circulation of this magazine?
这杂志发行量怎么样？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，