umbilical cavity

例句：

1. 1. The baby's umbilical cavity was inflamed and required immediate medical attention.
   婴儿的脐带腔发炎，需要立即医疗关注。
2. 2.During childbirth, the doctor carefully inspected the umbilical cavity to ensure there were no complications.
   在分娩过程中，医生仔细检查了脐带腔，以确保没有并发症。
3. 3. The umbilical cavity is a fragile area that can easily become infected if not properly cared for.
   脐带腔是一个脆弱的区域，如果不妥善照顾，很容易感染。