Aau
abbr. （美国）业余体育联合会（Amateur Athletic Union）；美国大学联合会（Association of American Universities）；自动寻址单元（Automatic Addressing Unit）
🗣️ 情景例句
Well, they didn't say anything for sure.
嗯， 他们没有任何确切的答覆。
A road of a thousand miles begins with one step.
千里之行始于足下。
It doesn't matter. I like walking. Look at the sun! It's a fine day for a walk.
不要紧。我喜欢步行。瞧瞧太阳！这是步行的好天气。