Pepsinogen
[化] 胃蛋白酶原\\n[医] 胃蛋白酶原
🗣️ 情景例句
Yes, I'm sure I can.
是的，当然可以。
Experience is the best teacher.
经验是良师。
They cut big pieces of metal into small pieces.
它们把大块的金属切成小块。