Naca
abbr. National Advisory Committee for Aeronautics <美> 国家航空咨询委员会
🗣️ 情景例句
I'm with you there.
我和你想的一样。
An nod is as good as a wink to a blind horse.
对牛弹琴。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。