可以。有时
非限制性定语从句从语法结构上看是定语,但 从语义上看却兼有原因状语的功能。如; Peter, who was ill yesterday, didn't go to school.
皮特因昨天病了而没去上学。 I don't like that city, which is too noisy.我不喜欢那个城市，因为它太嘈杂了。 Man can't live On the moon, where there is no water or air.人类不能在月球上居住，因为那里既没有水，又没有空气。 The old couple felt proud of their grandson, who won a gold medal at the Olympic Games. 这对老夫妇为他们的孙子感到骄傲，因为他在奥运会上夺得了金牌。