Fmf
abbr. fetal movement felt 感觉胎动; field maintenance factor 现场维护系数
🗣️ 情景例句
Perfect!
太棒了！
The spacecraft is scheduled to arrive at Saturn next year.
太空船预定明年到达土星。
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-