Pgi
[医][=(serum)pepsinogen i]（血浆）胃蛋白酶元？（放免测定）
🗣️ 情景例句
How much paint, how many hours of work ...
多少油漆， 多少小时的工作量……
If it were not for hope, the heart would break.
人是靠希望活著的。
Has our material been all right?
我们的原材料没问题吧？