婴儿在午睡前的短暂安静时段让妈妈终于能休息一会儿。

The baby's short ___lulls before naptime gave mom a chance to rest.

妈妈轻柔的哼唱让宝宝渐渐安静下来。

The mother's soft humming ___lulls the baby into tranquility.