Isopepsin
异胃蛋白酶
🗣️ 情景例句
When did you buy a house?
那你们在什么时候买房子呢?
He has lived here for a year.
他在这里住了一年了。[表示持续到现在的行为]
We'd better take it up with them, in that case.
如果是那样，我们最好向他们提出来。