Pgi
[医][=(serum)pepsinogen i]（血浆）胃蛋白酶元？（放免测定）
🗣️ 情景例句
I don't know for sure.
我不太清楚。
Every pleasure has a pain.
乐中必有苦。
We have got quite used to them.
对这些，我们已经司空见惯了。