- This is the restaurant at which they had their wedding reception. (这是他们举办婚宴的餐厅) 二、介词+which引导非限制性定语从句 2.介词+which还可以引导非限制性定语从句,用来补充说明先行词。这种用法通常使用逗号将其与主句分开。 例如: - The company invested a large amount of money in research an...