boongary

例句：

1. 1. The couple's marriage was barren due to financial difficulties.
   这对夫妇的婚姻因为财务困难而无法繁衍。
2. 2.The old tree is barren of fruit because it has been neglected for many years.
   这棵老树因为没有果实，因为它被忽视了多年。
3. 3.The scientist discovered a new species that is barren and needs more research before it can be used in agriculture.
   这位科学家发现了一种新的物种，它不育且需要更多的研究才能在农业中应用。