Lactoferrin
[机] 乳铁蛋白
🗣️ 情景例句
They are expecting their first child.
他们在怀他们的第一个小孩。
If it's not too much trouble, I would like some help.
如果你不嫌麻烦的话，我想请你帮个忙。
It's a friendly competition.
这是一场友谊赛。