随意
回答这一问题
随意 问题
When was gunpowder invented?
I have to do this essay on how gunpowder was invented and I can get a simple answer. I just want to know when gunpowder was invented and maybe 由 who? Please help me, this is worth 25% of my grade and I missed the class when we talked about it. Thanks.
|
next question » | ||
|