Pka
[医][=prekallikrein activator]前激肽释放酶激活剂
🗣️ 情景例句
How about a California chablis?
来一杯California白葡萄酒好吗？
This is your last chance. I believe you can make it.
这时你最后的机会，我相信你会成功的。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。