Absence of bowel sounds的用法和样例：
- The patient will have a satisfactory level of pain control, relief of nausea and vomiting, normal bowel sounds within 72 hours, absence of fever, and lungs clear to auscultation.
- The time needed for recovery of bowel sounds, anal exsufflation, defecation and hospital stay was shorter and hospital fee lower in EN group than those in PN group (P=0.000).
- The absence of color in that drawing make it dull.
- We are in the absence of experience.
- Absence of mind is altogether an involuntary thing.