sterile male insect

例句：

1. 1. The farmer's wife is barren and has not given birth to a child for many years.
   这位农民的妻子是不孕的，多年来一直没有生育。
2. 2.The soil was so barren that it couldn't support any plants.
   土壤如此贫瘠，以至于无法支持任何植物生长。
3. 3. The couple decided to adopt a baby from the orphanage because they were both sterile.
   这对夫妇决定从孤儿院领养一个孩子，因为他们都是不育的。