Ncsc
[计] 美国国家计算机安全中心
🗣️ 情景例句
One scoop or two?
一杓还是两杓？
What is the total circulation of this newspaper.
这家报纸总发行量多少？
Bad luck! said Mother. It doesn't matter!
“真糟糕！”妈妈说，“没关系！”