Mav
abbr. 微型飞行器（Micro Aerial Vehicle）；火星样品提升器（Mars Ascent Vehicle）
🗣️ 情景例句
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
Vows made in storms are forgotten in calms.
激动时所立的誓，平静时会忘记的。
We should not only know the theory but also how to apply it to practice.
我们不仅要知道理论，还要知道怎样把理论应用于实践。