My father spent a lot of time in the laboratory in his office 【where】he conducted numerous experiments. 这是由关系副词where引导的定语从句.
【俊狼猎英】团队为您解答.请尽快采纳.
My father spent a lot of time in the laboratory in his office 【where】he conducted numerous experiments. 这是由关系副词where引导的定语从句.
【俊狼猎英】团队为您解答.请尽快采纳.