Osf
[计] 开放软件基金会
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
Is the distribution of wealth uneven in your country?
在你们国家财富分配得均匀吗？
When you have finished the letter, you make any changes you wish, check it and print it.
当你打完信件，你可以随意修改、检查，然后打印。