这块蛋糕被平均分成两半，每人各得一份。

The cake was divided into two equal ___moieties, one for each person.

他只得到了父亲遗产的一半。

He received only a ___moiety of his father's estate.

在这个部落中，婚姻必须在两个不同的氏族之间进行。

In this tribe, marriage must occur between members of different ___moieties.