辐射产生于电子流的相干运动.The radiation is produced by the coherent motion of electron streams.阻止电子流前进的物质.The material which one is exhibited opposites current follow.导体切割磁场会产生电子流.Electronic currents appear when a conductor cuts mag...
莱斯特被用担架抬进救护车时我就在旁边。I was close by as Lester was stretchered into the ambulance.我们在旁边的办公室里等候。We waited in an adjoining office.他轻声和站在旁边的一对夫妇说话。He spoke softly to a couple standing nearby....