Pcf
[计] 程序控制设备
🗣️ 情景例句
Why?
为什么？
What is the type of furture?
这是什么类型的家具？
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他说，“但是我没有很多朋友，我过得不很愉快。我不懂为什么！”