Naca
abbr. National Advisory Committee for Aeronautics <美> 国家航空咨询委员会
🗣️ 情景例句
Wedding-day Jitters.
这叫婚礼紧张症。
Her life was devoted to caring for the sick and needy.
她一生致力于照顾病人和穷人。
You can't complain.
你该知足了。