Obp
(=odorant binding protein)气味结合蛋白
🗣️ 情景例句
It's nice to be alone with you, Grandpa.
很高兴单独与你在一起， 爷爷。
I'll walk you to the door.
我送你到门口。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。