Hemadynamics
[医] 血液动力学
🗣️ 情景例句
From me and Marilyn.
Marilyn和我送的。
Who laughed a while ago?
刚才谁在笑？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，