Oiaa
abbr. Office of Inter-American Affairs 泛美事务办公室; Office of International Aviation Affairs 国际航空事务局（美国联邦航空局）
🗣️ 情景例句
or we won't be finished by dinnertime.
要不然， 晚餐时间到了我们还做不完。
Excuse me for being late.
对不起我迟到了。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。