mamma

例句：

1. 1. Mamma is very busy these days.
   妈妈这几天很忙。
2. 2. She was born in Italy and has lived there all her life.
   她出生在意大利，一生都在那生活。
3. 3. The baby's first words were "mama".
   婴儿的第一次说话是“妈妈”。