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. There is no provision in the law for a gradual shift away from welfare.
    如何逐渐脱离福利照顾，这在法律条款中没有明确规定。

4. I have never seen Mrs. Clark before, but I know from her medical chart and the report I received from the preceding shift that tonight she will die.
    我从未见过克拉克夫人，但看过她的医疗记录和上一位值班医生交给我的报告后，我知道她今晚会去世。