1. Last year, he used embryos to successfully clone two sheep.
    去年，他用胚胎成功地克隆了两只绵羊。

2. In theory, that's like using one of your skin cells to clone a new you!
    理论上说，这就像是用你的一个皮肤细胞来克隆一个新的你。

3. In the meantime, Clinton has imposed a ban on using federal money to clone humans.
    同时，克林顿还下令禁止用联邦基金来克隆人类。