gene engineering

例句：

1. 1. Genetic engineering has revolutionized the field of agriculture.
   基因工程已经彻底改变了农业领域。
2. 2. The researchers are working on a new gene-editing tool to treat diseases.
   研究人员正在开发一种新的基因编辑工具来治疗疾病。
3. 3. The company is using gene engineering techniques to develop more efficient crops.
   该公司正在使用基因工程技术来开发更高效的农作物。