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
Hi.
嗨！
For one thing,I've got to drop by the bank to get some money.
首先，我得去银行取一些钱。
What can I do for you?
要我帮忙吗？