grandmother单词中有几个音节

单词有三个音节，意思是奶奶、祖母，例如：

1、When my parents were away， my grandmother would take care of me.我父母外出的时候，总是祖母照看我。

2、They called their first daughter after her grandmother.他们给大女儿取了祖母的名字。

3、My grandmother is 90 and still going strong.我奶奶90岁了，还挺硬朗。