生物工程正在研发更高效的水稻品种。

___Bioengineering is developing more efficient rice varieties.

科学家们正在利用生物工程技术研发能净化水体的藻类。

Scientists are using ___bioengineering to develop algae that can purify water.

生物工程正在开发新的方法来修复受损的组织。

___Bioengineering is developing new methods to repair damaged tissues.