Aashto
abbr. 美国国家公路与运输协会标准（American Association of State Highway and Transportation Officials）
🗣️ 情景例句
I'd love to, but I have to be up early tomorrow.
我非常感谢，可是明天我得早起。
Eventually people are made to answer for their actions.
人最后会对自己的行为负责。
I'm sorry, but it's not allowed.
对不起，这是不允许的。