Fmu
abbr. force measurement unit 法定计量单位; freight multiple unit 货物重置价值单位
🗣️ 情景例句
Yes, I took part in.
有，我参加了。
Don't make any mistakes.
别出差错。
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。