Pgi
[医][=(serum)pepsinogen i]（血浆）胃蛋白酶元？（放免测定）
🗣️ 情景例句
I'm Ellen Stewart, Marilyn's mother-in-law.
我叫Ellen Stewart， Marilyn的婆婆。
The weather is nice today.
今天天气很好。
they are not prepared even to admit the possibility that noise affects people.
甚至不愿承认噪音可能对人有影响。