Ecowas
abbr. 西非国家经济共同体（Economic Community of West African States）
🗣️ 情景例句
Thank you, Charles.
谢谢你， Charles。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
We have a problem with your order.
你订的货有点问题。