Pka
[医][=prekallikrein activator]前激肽释放酶激活剂
🗣️ 情景例句
I'm thinking.
我还在想。
Beggars cannot be choosers.
饥不择食。
That proved to be my undoing, for I soon got back to my old bad habit of dozing off in front of the screen.
这下我可完了，因为不一会儿，我就恢复了以前的坏习惯，在屏幕前打起瞌睡来。