Sialoprotein
骨唾液酸糖蛋白
🗣️ 情景例句
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
I think that should do it.
我想这样就可以了。
I'll leave them for you to look over.
我会留下来给你慢慢的看。