Pilae
[医] 柱(如骨内的小梁)
🗣️ 情景例句
A serious matter.
一个严重的问题。
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
Excuse me. May I have a piece of paper, please?
请问，我可以要一张纸吗？