Aou
abbr. 美国鸟类学家协会（American Ornithologists' Union）；表观氧利用（Apparent Oxygen Utilization）
🗣️ 情景例句
Let me foot the bill tonight. Maybe you can treat me next time.
今晚让我付账吧，也许下次你请客。
It's very popular.
它很受欢迎。
What a boring movie! It's the most boring movie I have ever seen.
这电影真没劲！是我看过最糟糕的电影。