母系社会的英文：
matriarchal society; matriarchy

The finds from these burial grounds point to the existence of a prosperous matriarchal society.
这些墓地中发现的东西说明曾经有过一个昌盛的母系社会。

An elephant family is led by a matriarch, with the matriarch being the oldest and most experienced of the herd.
大象的家族首领由一头母象担任， 她是象群内最年长和最有经验的母象。

The matriarchal society consists of her female offspring and their young
大象的母系族家庭是由其生育的母象和幼象组成的。

It is this male-leaving behavior that highlights the matriarch elephant family
这种

Humanity graded from primitive society to feudal society
人类由原始社会逐渐过渡到封建社会。

That's an open society.
那是一个开放的社会。

He was ostracized by the society.
他被社会所摒弃。