Kallikreinogen
激肽释放酶原
🗣️ 情景例句
I'm editor of the most influential newspaper in Riverdale.
我是Riverdale最有影响力的报纸的编辑。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
The workmen struggled fiercely and one of them lost his temper.
两个工人奋力抗争，其中一个发了火，