baby fat
noun
mass noun
1- fat on the body of a baby or child that disappears as it grows up婴儿肥（婴儿或儿童身上长的脂肪, 随着年龄增长会逐渐消失）。
1.1
- the extra body fat that a woman may develop during pregnancy孕期肥（女性在怀孕期间身上积累的多余脂肪）。