Ddn
[计] 数字数据网, 美国国防数据网络
🗣️ 情景例句
It's fantastic!
太棒了！
The history paper was really easy, so was the biology one.
历史试题确实容易，生物试题也很容易。
By then, however, in many places the grass had already taken root.
然而到那时，很多地方的草已经生了根。