pericardial cavity
参考词典中pericardial cavity的常规释义：
基本释义
- 心包腔，围心腔
英英解释
1个名词解释
- the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement
[同] pericardial cavity, pericardial space
点击查看……- the space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement
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