pericardial diaphragm

• 背膈

pericardial diaphragm的用法和样例：

例句

1. The diaphragm is a dome-shaped organ.
   膈是一个圆顶状的器官。
2. Gastric distention may also reduce lung volume by elevating the diaphragm.
   胃胀使膈升高也会减少肺的容积。