Lfn
[医][=lactoferrin]乳铁蛋白
🗣️ 情景例句
The bridge is about three hundred and eighty-five feet long.
桥长约三百八十五英尺。
One should eat to live, not live to eat.
人为生而食，非为食而生。
I think I've filled in everything correctly.
我想各项都填对了。