Mav
abbr. 微型飞行器（Micro Aerial Vehicle）；火星样品提升器（Mars Ascent Vehicle）
🗣️ 情景例句
Is he still with IBM?
他还在IBM工作吗？
A clear conscience is a sure card.
光明磊落，胜券在握。
Only one or two people have objected that the students will drive too fast!
只有一两个人提出反对意见，说学生们会把车开得太快！