Aoa
abbr. 攻角；用箭头表示活动（Activity on Arcs）
🗣️ 情景例句
the biggest accounting company in the country.
是全国最大的会计公司。
Proverbs are the cream of a nation's thought.
谚语是一国的思想精华。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。