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
We had a cat when I was eight years old.
我八岁时养过一只猫。
Money is the root of evil.
金钱是罪恶的根源。
I would make a very poor show of disputing the ownership of a cave with a bear,
要我和一只熊去争洞穴，我会出洋相的；