Waco
abbr. 世界空运组织（World Air Cargo Organization）
🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
Then I asked him if he knew anybody in New York .
然后我问他是否他在纽约认识人。
Really? What's it?
真的？是什么？