1. Notice that we had to use squiggly brackets to make the derivative. 必须使用花括号来表示微分。
2. So now repeat the same process a couple of times to make more squiggly lines. 所以,现在重复同样的过程几次,使更多的弯曲线。
3. The red-pink squiggly lines extending from the epicardial surface into the yellow fluid represent the strands of fibrin. 在心外膜表面的黄色液体内的粉红色弯曲的线形成分代表的是纤维素。