“我们是警察，”直升机上传来扩音器中的声音。"This is the police," came the amplified voice from the helicopter.我清楚地听到扩音器里在请都灵至阿姆斯特丹航班的旅客登机。I distinctly heard the loudspeaker calling passengers for the Turin-Amsterdam flight.他们把吉他与扩音器相接。They p...
He casts up his accounts at the end of each day.每天结束时他都结一次账.The tree casts a shadow on the ground.树的影子映在地上.Peony casts the other flowers into the shade.牡丹使其他的花逊色....
红外产品标配原装进口LED发光管, 打光均匀, 寿命长.Imported product comes standard with IR LED light tube, lighting uniformity, long life.在砷化镓衬底上异质外延磷化镓的表面缺陷与绿色发光管 ( 摘要 )Surface Defects of Heteroepitaxial Layers of GaP on GaAs Substrates and G...