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光传播速度比声音快 英文怎么说 光传播的速度比声音快的英文怎么说
我们物理老师昨天说光的传播速度比声音快吗?用英语怎么说,并改为间接引语 The light travels faster than the sound.There are two students study in the chass ro...
我们物理老师昨天说光的传播速度比声音快吗?用英语怎么说,并改为间接引语 The light travels faster than the sound.There are two students study in the chass ro...