美[bɛl waɪr]英[bel ˈwaiə]
电铃线
Watson had pushed the pieces apart and the metallic vibration had been carried to Bell over the wire .
华特生把金属片分开了,金属的振动就通过 电线传到了 贝尔的那 端。
美[bɛl waɪr]英[bel ˈwaiə]
电铃线