Nbdes
美国国家标准化数据加密规范局
🗣️ 情景例句
She worried constantly.
她经常烦恼。
No. You should have taken the Yellow Line bus. You can get one at the next stop.
不是。你该乘黄线车才是。到下一站你可以搭上。
No, not all of them.
不，没办法全部。