Propepsin
胃蛋白酶原
🗣️ 情景例句
It's complicated.
原因很复杂。
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？
My name is Liu Ying. I'm in Row 1. I'm Number 2.
我叫刘颖。我在第一排。我是2号。