grandmother
n. （外）祖母，奶奶，外婆；女祖先
复数 grandmothers
例句
Her grandmother mumbled in her sleep.
她祖母睡觉时咕哝了。
《柯林斯英汉双解大词典》
He often runs errands for his grandmother.
他经常给他的祖母跑腿儿。
《牛津词典》
My grandmother is 90 and still going strong.
我奶奶90岁了，还挺硬朗。
