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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?
人气:455 ℃ 时间:2020-05-27 15:57:02
解答
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?
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