A linear rolling guider and imported buffer system guarantees the excellent finish and concentricity.本设备选用滚珠导轨与进口稳速系统以保证精密的表面光洁度和同心度.I remembered , that day, Da Xiong as agedboy, he was alwayed invited as guider.那时候, 大熊作...
Johnny Warrick has a hog farm in Alabama.约翰尼·沃里克在亚拉巴马州有个养猪场。In Alabama a boy who snores saws gourds.在阿拉巴马州,打鼾的孩子被叫做锯葫芦.Do you know that he owns half of alabama?你知道他拥有一半的阿拉巴马州 吗 ?Which of these american idol finalists fro...
The two biologists found, to their surprise, that both groups of birds survived equally well.这两位生物学家惊奇地发现，两组鸟都很好地存活了下来。This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。The biologists are studyin...