1. This gives the muscles of your lens and iris a chance to shift position.
    这就给你眼球的晶体肌和虹膜肌有换位置的机会。

2. This gives the muscles of your lens and iris a chance to shift position.
    这就给你眼球的晶体肌和虹膜肌有换位置的机会。

3. This is one case where even people bothered by creating a child under the lens of a microscope might see cloning as not the worst option.
    在这个例子中，就连不愿意在显微镜下创造孩子的人也可能认为克隆不是最坏的选择。