谁能帮我分析一下下面这个句子的句法结构:
问题描述:
谁能帮我分析一下下面这个句子的句法结构:
Is air the only acoustic medium through which sound can propagate?
答
air主语,is 谓语the only 表语through which sound can propagate定语从句修饰acoustic medium .本句意为空气是声音传播的唯一媒介吗?