Nsas
(nsa 的复数) abbr. 美国国家安全局（National Security Agency）；美国国家标准协会（National Standards Association）
🗣️ 情景例句
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
I plan to learn photography.
我打算学摄影。
but then she decided that at her age it might be more prudent to have someone with her,
但转念一想，像她这个年纪，最好找个人一起去。