umbilical seam

例句：

1. 1. The baby's umbilical seam healed quickly after the operation.
   手术后，婴儿的脐带缝合处很快愈合了。
2. 2. The umbilical seam is a vulnerable area for infection.
   脐带缝合处是感染的易发部位。
3. 3.The doctor carefully stitched up the umbilical seam to prevent further damage.
   医生仔细地缝合了脐带缝合处，以防止进一步的伤害。