Lactoferrin
[机] 乳铁蛋白
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
Did you sell it to him yourself?
你自己亲自卖给他吗？
Yes, it certainly is.
是呀，确实如此。