Mav
abbr. 微型飞行器（Micro Aerial Vehicle）；火星样品提升器（Mars Ascent Vehicle）
🗣️ 情景例句
Excuse me, officer.
对不起 警官。
The farmers are the founders of civilization and prosperity.
农民是文化和繁荣的奠基者。
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。