Ffm
[医][=fat-free mass]脱脂物质，无脂肪物质
🗣️ 情景例句
Congratulations again on your promotion. You deserve it.
再度恭喜你高升。你是得之无愧的。
Have but few friends though many acquaintances.
朋友要少，熟人要多。
The article began: 'Hundreds of steps lead to the high wall which surrounds the president's palace'.
“几百级台阶通向环绕总统的高墙。