Cohomology
[数]上同调
🗣️ 情景例句
That's fine with me. I can do it either day.
对我来说时间很适合。两天中哪一天我都可以。
If the sky falls,we shall catch larks.
天垮正好抓云雀；不要杞人忧天。
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，