It has been estimated that one in eight couples is infertile .

据估计每八对夫妇中就有一对不育。

Make infertile ; of both males and females .

使人失去生育能力；即使男性不育、女性不孕。

Thirty years ago the islanders scratched a living from infertile soil , salt pans and fishing .

三十年前岛民在贫瘠的土地上艰苦生活，晒盐和牧渔。

Most people would not intentionally insult their infertile friends .

如果有朋友不孕，很多人都不会故意羞辱他们的。

After the paris peace agreements of 1991 , the united nations tried to plant a multiparty democracy in this infertile soil .

1991年巴黎和平协议【注5】签署后，联合国曾尝试在这块贫瘠的土地上建立多党制民主。