Propepsin
胃蛋白酶原
🗣️ 情景例句
What's wrong, Susan?
怎么啦， Susan？
He that would the daughter win,must with the mother first begin.
要想赢得女儿的欢心，必须先从她母亲着手。
He expected the assistant to look at him in blank astonishment.
他原想女售货员会惊奇地望着他，不知所措，