Ffm
[医][=fat-free mass]脱脂物质，无脂肪物质
🗣️ 情景例句
Front... knees up, knees up.
前踢， 膝盖抬高。
How long will it take you to have it fixed?
你要多少天才能把它修理好？
Instead of catching fish,they catch old boots and rubbish.
他们往往鱼钓不到，却钓上来些旧靴子和垃圾。