基本解释导管同根派生 英汉例句As the writer wanted to go to Woodford Green,but he didn't knou the way,the eonductor promised to tell him where he would get off. （老师，我想了半天，把as当作由于来讲，不知是否对。由于作者想到伍德福德草地去，却不知道路，售货员就许诺会告诉他在哪儿下车。