Mucinoid
类粘蛋白
🗣️ 情景例句
Will I be able to receive the goods by the end of September?
我可以在9月底以前收到货吗？
Drunken days have all their tomorrows.
今日花天酒地，明日潦倒穷途。
George studied medicine in his youth.
乔治年轻时学过医，