英语语法分析

In polygynous families in the Novels of Ming and Qing Dynasties, the positions of wife, concubine and servant girls were different.

作者通过对明清小说中家庭女性地位的研究，认为在男性多偶家庭中，妻、妾、婢的地位高低有别。

In 16 of the 19 polygynous species in their sample, males of all ages were much more likely to die during any given period than were females.

在19个一夫多妻制物种样本中，16个物种的雄性中，各个年龄阶段的样本在给定的时间段中都比雌性更易死亡。

The low-ranking wives in polygynous marriages should be in worse condition because they get a smaller share of their husband's resources.

一夫多妻制家庭中，由于在分享丈夫的资源时所得份额较小，地位较低的妻子境况不佳。