Hpb
abbr. hinged plotting board 枢纽测绘板
🗣️ 情景例句
Many kings and emperors used silver chopsticks to see if their food was poisoned.
许多帝王用银制的筷子以检查他们的食物中是否被人投了毒。
Yes, I am.
是，我是。
That's why we were getting anxious about you.
所以我们才为你们担心。