maternal

the natural impulse of a mother to care for her child

the love that a mother has for her children

the father of one's mother

外祖母

the mother of one's mother

母亲的母亲

a parent of one's mother

the sister of one's mother

舅舅

the brother of one's mother

母亲的兄弟。

母亲的角色

the function or position of a mother within a family or society

母亲在家庭或社会中的功能或地位

母性行为

actions and conduct associated with being a mother

与作为母亲相关的行动和品行

the level of formal schooling a mother has completed, often studied in relation to child development