Presheaf
预层
🗣️ 情景例句
Yes, I'm quite satisfied. That would be more than I have expected.
我很满意，比我期望的要多。
Could you carry my doggie for me?
你能替我带我的小狗吗？
I think that the doctor had better see you.
我想最好请医生来给你看一下。