Pgi
[医][=(serum)pepsinogen i]（血浆）胃蛋白酶元？（放免测定）
🗣️ 情景例句
A friend in need is a friend indeed.
患难朋友才是真正的朋友。
My brother is two years younger than I am.
我的兄弟比我年轻2年。
Jalu has forgotten falling off his bicycle.
詹露早忘掉他从白行车上摔下来这件事了。