presphygmic

例句：

1. 1. The patient was presphygmic, but the doctor managed to stabilize him.
   病人处于濒死状态，但医生设法稳定了他。
2. 2. The scientist discovered a new presphygmic substance that could potentially cure cancer.
   科学家发现了一种新物质，可能有望治愈癌症。
3. 3. The presphygmic state is a medical emergency that requires immediate medical attention.
   濒死状态是一种需要立即医疗关注的医疗紧急情况。