科学家正在研究克隆濒危动物以保护物种多样性。

Scientists are studying ___cloning endangered animals to protect species diversity.

为防止手机丢失数据，他定期进行数据克隆。

To prevent data loss on his phone, he regularly performs ___cloning of his files.

这家店被指控克隆了竞争对手的热销包装设计。

The store was accused of ___cloning the best-selling packaging design of its competitor.