2 sentences

1. 医护人员正在小心地处理婴儿的脐部。

   yī​hù rén​yuán zhèng​zài xiǎo​xīn de chǔ​lǐ yīng'ér de qí bù.

   The medical staff are carefully tending to the baby's navel.

   Source: Dong Chinese Dictionary

2. 这种螃蟹的脐宽而圆，一眼就能看出是母的。

   zhè zhǒng páng​xiè de qí kuān ér yuán, yī yǎn jiù néng kàn​chū shì mǔ de.

   This crab has a wide, round apron, so you can tell it's female at a glance.

   Source: Dong Chinese Dictionary