Nsa
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
We'll live in New York.
我们会住在 New York。
When he opened the door the cat ran out and brushed by his legs.
当他一开门，那只猫跳了出来，偎依在他的脚边。
The spheres had been magnetized and attracted or repelled each other all the time.
金属球经过磁化，互相之间不停地相互吸引或相互排斥。