perforations中文什么意思

齿孔

• perforations adding:    补孔
• semi-perforations:    半穿空
• silent perforations:    无声片片孔

例句与用法

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1. No water is entering through the deeper perforation .
   更深处的射孔则没有水进入。
2. This prevents bowel perforation .
   这样可以防止肠道穿孔。
3. The acute perforation has developed .
   发生急性穿孔。
4. This will dislodge any fibers that may be in a vertical positions in the perforations .
   这可洗掉孔眼上方垂直方向的任何纤维。
5. Ingested foreign bodies also have been found to be the cause of perforation of the wall of the intestine .
   吞下异物也曾被发现是小肠壁穿孔的原因。