artificial heart blood pump的用法和样例：
例句
- Unlike other heart-failure deices, the Optimizer works by strengthening the pumping force of the heart.
和其他治疗心衰装置不同的是，优化装置增强心脏泵血能力。 - Systolic blood pressure is the pressure found when the heart pumps, in contrast to diastolic blood pressure, the pressure between heart beats.
收缩压是心脏泵入时的压力，对应心脏搏动间的压力，舒张压。
