Cohomology
[数]上同调
🗣️ 情景例句
You're welcome to come over any time, you'll always have a place to stay.
我们欢迎你任何时候过来，这里是你永远的家。
I meet the boy whose aunt is a musician.
我遇到那个男孩的姑妈是音乐家。
Let's make it a little earlier.
咱们安排早一点儿吧。