bitegmic

例句：

1. 1. The couple's marriage was bitegmic due toinfertility issues.
   这对夫妇的婚姻因为不孕问题而变得不育。
2. 2. The researchon the bitegmic gene has ledto breakthroughs in genetic engineering.
   关于不育基因的研究在遗传工程领域取得了突破。
3. 3. The bitegmic condition is aserious medical issue that requires specialized treatment.
   不育状况是一种严重的医疗问题，需要专门的治疗。