in-,不，非，fertile,生育的。

1. The polluted waste is often dumped, making the surrounding land infertile.

被污染的废物经常被随意倒掉，周边土地因此而变得很贫瘠。

2. The soil proved too infertile to sustain real pasture or arable crops.

这土壤被证明太贫瘠,不能真正用作放牧或种植作物.

3. Infertile women have a somewhat higher risk of developing breast cancer.

不育妇女患乳癌的倾向性较高.

4. Plants can't grow well in the infertile land.

在贫瘠的土地上庄稼长不好.

5. Utilization of the land which leaves it in an infertile condition is considered pollution.

把土地使用到非常贫瘠的程度被认为是一种污染.