Ffm
[医][=fat-free mass]脱脂物质，无脂肪物质
🗣️ 情景例句
Can you tell me something about the student body?
谁是学生会主席？
Excuse me? I didn't hear what you said.
对不起，我没有听清你说的话。
The time I spent at exercises gradually diminished.
我花在锻炼上的时间逐渐减少，