umbilical cloth

例句：

1. 1. The baby's umbilical cloth was soaked in blood.
   宝宝的脐带布被血浸湿了。
2. 2. The doctor used a umbilical cloth to clean the wound.
   医生用一条脐带布来清洁伤口。
3. 3.The mother carefully wrapped the baby in umbilical cloth.
   母亲小心地给婴儿裹上一条脐带布。