Mav
abbr. 微型飞行器（Micro Aerial Vehicle）；火星样品提升器（Mars Ascent Vehicle）
🗣️ 情景例句
Have you ever done any correspondence work?
你有处理文书的经验吗？
It's been a bad day.
今天糟透了。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”