Nsta
abbr. National School Transportation Association 国家学校运输协会; National Science Teachers Association 全国自然科学教师协会
🗣️ 情景例句
Hi, there!
你好！
I don't know anything about that.
关于那个我什么都不知道。
If we could stay as vigorous as we are at twelve,
假如我们能保持12岁时的旺盛生命力，