Pgi
[医][=(serum)pepsinogen i]（血浆）胃蛋白酶元？（放免测定）
🗣️ 情景例句
I would like a single room.
我想要一个单人间。
I answer telephones and do some typing.
我接电话和打字。
Tom burnt his hand when he was cooking.
汤姆做饭时烫了手。