Ecowas
abbr. 西非国家经济共同体（Economic Community of West African States）
🗣️ 情景例句
Yes, you are through with it. I hope you will enjoy your stay in China.
是的，检查完毕。希望您在中国过得愉快。
This window is just as high as thsat one.
这扇窗户刚好和那扇一样高。
Haven't you heard?
你没听说吗？