Pepsinogen
[化] 胃蛋白酶原\\n[医] 胃蛋白酶原
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
Don't lend him the money.
不要借钱给他。
They have nothing to sell and require nothing from others.
他们既不出售任何东西，也不需要从别人那儿得到任何东西，