Ffm
[医][=fat-free mass]脱脂物质，无脂肪物质
🗣️ 情景例句
That naughty boy seems to tell his family too many lies.
这个顽皮的小男孩似乎对家人说了很多谎。
Do you think you could keep the noise down?
你看能不能小声一些？
Most of our fears are unreasonable, but they are impossible to erase.
我们的恐惧大部分是没有道理的，但去无法消除。